With Keyboard Patents (Class D18/7)
  • Patent number: 4165554
    Abstract: A hand-held, portable, electronic calculator assembly including a body with a gripping and covering member for making the calculator fully operable by the user with one hand and for covering the keyboard of the calculator to prevent damage to the keyboard or depression of the keys when not in use. The hand-held electronic calculator assembly includes a calculator body member having a front surface, the front surface containing means for receiving a covering and gripping member and containing keyboard means, a back surface opposite the front surface containing means for receiving and gripping the covering member, and a gripping and covering member adapted for placement on the back surface of the calculator to enable operation and holding of the calculator by one hand and for placement on the top surface of the electronic calculator for covering the keyboard.
    Type: Grant
    Filed: June 12, 1978
    Date of Patent: August 28, 1979
    Inventor: Charles J. Faget
  • Patent number: D252773
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: August 28, 1979
    Assignee: Texas Instruments Incorporated
    Inventors: Eugene J. Sulek, William J. Lawrence
  • Patent number: D253895
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: January 8, 1980
    Assignee: Westates Space-Era Products, Inc.
    Inventor: Frank R. Anderson
  • Patent number: D253955
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: January 15, 1980
    Assignee: Texas Instruments Incorporated
    Inventors: Eugene J. Sulek, Richard R. Nesbitt
  • Patent number: D254141
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: February 5, 1980
    Assignee: Utility Verification Corp.
    Inventor: Robert J. De Masi
  • Patent number: D254535
    Type: Grant
    Filed: February 1, 1978
    Date of Patent: March 25, 1980
    Assignee: Kosmos International Ltd.
    Inventor: Ian S. McCrae
  • Patent number: D255124
    Type: Grant
    Filed: February 16, 1978
    Date of Patent: May 27, 1980
    Assignee: Sharp Kabushiki Kaisha (Sharp Corp.)
    Inventor: Yoshihisa Ohie
  • Patent number: D255125
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: May 27, 1980
    Assignee: Sharp Kabushiki Kaisha (Sharp Corp.)
    Inventors: Shigetoshi Hazama, Matafumi Ikeda
  • Patent number: D255126
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: May 27, 1980
    Assignee: Sharp Kabushiki Kaisha (Sharp Corp.)
    Inventors: Yoshihisa Ohie, Matafumi Ikeda
  • Patent number: D255245
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: June 3, 1980
    Assignee: Canon Kabushiki Kaisha
    Inventors: Eiichi Yoshioka, Kazuyoshi Odagawa
  • Patent number: D255246
    Type: Grant
    Filed: February 24, 1978
    Date of Patent: June 3, 1980
    Assignee: Canon Kabushiki Kaisha
    Inventors: Eiichi Yoshioka, Kaname Suwa
  • Patent number: D256028
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: July 22, 1980
    Assignee: Texas Instruments Incorporated
    Inventors: William J. Lawrence, Richard R. Nesbitt
  • Patent number: D256133
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: July 29, 1980
    Assignee: Hewlett-Packard Company
    Inventor: LeRoy J. LaCelle
  • Patent number: D256252
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: August 5, 1980
    Assignee: Essex Transducers Corporation
    Inventor: Michael D. Burridge
  • Patent number: D256370
    Type: Grant
    Filed: July 12, 1978
    Date of Patent: August 12, 1980
    Assignee: Texas Instruments Incorporated
    Inventors: Shinpei Ichikawa, Robert A. Welch
  • Patent number: D256472
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: August 19, 1980
    Assignee: Texas Instruments Incorporated
    Inventors: Eugene J. Sulek, William J. Lawrence
  • Patent number: D256694
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Patent number: D256695
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Masafumi Yamagami
  • Patent number: D256696
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Matafumi Ikeda
  • Patent number: D256697
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Seiichiro Nishiguchi
  • Patent number: D256698
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Patent number: D256699
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Isao Kitai
  • Patent number: D256700
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: September 2, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yoshihisa Ohie
  • Patent number: D256924
    Type: Grant
    Filed: May 16, 1978
    Date of Patent: September 16, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshihisa Ohie, Masafumi Yamagami
  • Patent number: D257045
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: September 23, 1980
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Matafumi Ikeda, Tsutomu Yamasaki
  • Patent number: D257512
    Type: Grant
    Filed: May 16, 1978
    Date of Patent: November 11, 1980
    Assignee: Litton Business Systems, Inc.
    Inventors: Terry L. Barner, Stuart D. Leer, Myron Beitler
  • Patent number: D257513
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: November 11, 1980
    Assignee: Litton Business Systems, Inc.
    Inventors: Joseph Sereika, Myron Beitler
  • Patent number: D257976
    Type: Grant
    Filed: July 20, 1978
    Date of Patent: January 20, 1981
    Assignee: Labora Mannheim GmbH fur Labortechnik
    Inventor: Helmut Schmidt
  • Patent number: D257990
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: January 20, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Hirata, Kunio Hirose
  • Patent number: D258062
    Type: Grant
    Filed: September 13, 1978
    Date of Patent: January 27, 1981
    Assignee: Basic Incorporated
    Inventors: Richard J. Cusimano, John C. Van Arsdell, Jr., Gordon W. Cromwell, Elmer J. Seppala, Quentin R. Ball, Gregory Fossella, Michael J. Mercadante
  • Patent number: D258221
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: February 10, 1981
    Assignee: Cassia Electronic Products Limited
    Inventor: Kenji Shimasaki
  • Patent number: D258451
    Type: Grant
    Filed: October 13, 1978
    Date of Patent: March 3, 1981
    Assignee: Ing. C. Olivetti & C., S.p.A.
    Inventor: Mario Bellini
  • Patent number: D258654
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: March 24, 1981
    Assignee: Lexicon Corporation
    Inventor: Michael Levy
  • Patent number: D258655
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: March 24, 1981
    Assignee: Lexicon Corporation
    Inventor: Michael Levy
  • Patent number: D258664
    Type: Grant
    Filed: October 13, 1978
    Date of Patent: March 24, 1981
    Assignee: Ing. C. Olivetti & C., S.p.A.
    Inventor: Mario Bellini
  • Patent number: D258666
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: March 24, 1981
    Inventors: Eiichi Yoshioka, Junichi Motoyoshi
  • Patent number: D258704
    Type: Grant
    Filed: March 7, 1978
    Date of Patent: March 31, 1981
    Inventor: Hiroshi Kobayashi
  • Patent number: D258740
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: March 31, 1981
    Assignee: Casio Computer Co., Ltd.
    Inventor: Hidero Matsumoto
  • Patent number: D258827
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: April 7, 1981
    Assignee: Texas Instruments Incorporated
    Inventor: Arthur W. Chin
  • Patent number: D258888
    Type: Grant
    Filed: February 14, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventor: Yoshiaki Kobayashi
  • Patent number: D258889
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventor: Shigeaki Hayashi
  • Patent number: D258891
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventors: Isao Kitai, Matafumi Ikeda
  • Patent number: D258892
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventors: Yoshihisa Ohie, Masafumi Yamagami
  • Patent number: D258893
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: April 14, 1981
    Assignee: Kosmos International Ltd.
    Inventor: Ian S. McCrae
  • Patent number: D258894
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventor: Isao Kitai
  • Patent number: D258895
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: April 14, 1981
    Assignee: Sharp Corporation
    Inventor: Yoshiaki Kobayashi
  • Patent number: D258956
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: April 21, 1981
    Assignee: Norand Corporation
    Inventor: George E. Chadima, Jr.
  • Patent number: D258966
    Type: Grant
    Filed: January 19, 1979
    Date of Patent: April 21, 1981
    Assignee: Kosmos International Ltd.
    Inventor: Ian S. McCrae
  • Patent number: D259200
    Type: Grant
    Filed: July 12, 1978
    Date of Patent: May 12, 1981
    Assignee: Texas Instruments Incorporated
    Inventors: Robert A. Welch, Shinpei Ichikawa
  • Patent number: D259201
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: May 12, 1981
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Harumi Tatsugami