Clipboard

- Romana Acosta
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a clipboard showing my new design;

FIG. 2 is a rear perspective view;

FIG. 3 is a front elevational view; and

FIG. 4 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D159473 February 1949 Cottier
D164269 August 1951 Whittier
D228528 October 1973 Smith, Jr.
D267809 February 1, 1983 Lowery et al.
275882 April 1883 Brownell
297284 April 1884 Mudgett
302774 July 1884 Polkinborn
D303811 October 3, 1989 DeWitt
767293 August 1904 Kraus
1354211 September 1920 Reed
1503949 August 1924 Helm
1529982 March 1925 Bunzli
1827929 October 1931 Bigelow
2417879 March 1947 Merritt
2850296 September 1958 Ratliff
3776411 December 1973 Luckadoo
3833970 September 1974 Smith, Jr.
3977744 August 31, 1976 DeWitt
Other references
  • Office Appliances, Nov. 1967, p. 147, adv. for S. E. & M. Vernon, Inc., see clip center left. Office Products Catalog .COPYRGT.1978, p. 76, see clip on clipboard #68-680 center right.
Patent History
Patent number: D308542
Type: Grant
Filed: Mar 16, 1987
Date of Patent: Jun 12, 1990
Assignee: Romana Acosta (Los Angeles, CA)
Inventor: F. Carlos De Witt (Gardena, CA)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Stetina and Brunda
Application Number: 7/25,869