Keypad for telecommunications instruments
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Description
FIG. 1 is a left side, top and front perspective view of a keypad for telecommunications instruments;
FIG. 2 is a rear elevational view thereof, the front elevational view being a mirror image;
FIG. 3 is a right side elevational view thereof; and
FIG. 4 is a top plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D251296 | March 13, 1979 | Haas |
D259260 | May 19, 1981 | Blomberg |
D261761 | November 10, 1981 | Ingber |
D266005 | August 31, 1982 | Beitler |
D272823 | February 28, 1984 | Ferkunagu |
D275669 | September 25, 1984 | Genaro et al. |
3849621 | November 1974 | Habecker |
4315114 | February 9, 1982 | Monti |
4447685 | May 8, 1984 | Ohashi |
4468542 | August 28, 1984 | Pounds |
- B. A. Pargh Co. Inc. Catalog 1985 Spring, at p. 280; Webcor.TM. Jumbo Button Phone, Model 767S WBR also at p. 252. AT&T Brochure, Big Button Telephone, published 11/83.
Patent History
Patent number: D299718
Type: Grant
Filed: Oct 22, 1986
Date of Patent: Feb 7, 1989
Assignee: Plessey Overseas Limited (Ilford)
Inventors: David J. Steer (Lincoln), Steven Hawker (Arnold), Leonard Colebourne (Nottingham)
Primary Examiner: Horace B. Fay, Jr.
Attorneys: Michael F. Oglo, Julian C. Renfro
Application Number: 6/922,987
Type: Grant
Filed: Oct 22, 1986
Date of Patent: Feb 7, 1989
Assignee: Plessey Overseas Limited (Ilford)
Inventors: David J. Steer (Lincoln), Steven Hawker (Arnold), Leonard Colebourne (Nottingham)
Primary Examiner: Horace B. Fay, Jr.
Attorneys: Michael F. Oglo, Julian C. Renfro
Application Number: 6/922,987
Classifications