Cap opening aid

- Burroughs Wellcome Co.
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Description

FIG. 1 is a perspective view of the cap opening aid from above;

FIG. 2 is a side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is an end elevational view thereof the side opposite being identical;

FIG. 4 is a top plan view thereof, the bottom plan view being a mirror image.

Referenced Cited
U.S. Patent Documents
D215807 November 1969 Weingardt
D267925 February 15, 1983 La Mancusa
D277635 February 19, 1985 Sherwood
3812741 May 1974 Heine
3827592 August 1974 Deussen
4455894 June 26, 1984 Roberts
4760763 August 2, 1988 Trick et al.
4911038 March 27, 1990 Ferrin
Foreign Patent Documents
WO91/18822 December 1991 EPX
2198420A June 1988 GBX
2205557A December 1988 GBX
2212792A August 1989 GBX
Other references
  • PCT Gazette-Section I; No. 11/1988; p. 2235; International Publication No. WO 88/03511; International Publication Date: May 19, 1988; International Publication No. WO 88/03152; International Publication Date: May 1988. U.S. Patent and Trademark Office Official Gazette: Dec. 9, 1986 p. 1133; 287093. U.S. Patent and Trademark Office Official Gazette General and Machanical; Nov. 6, 1990; p. 85; 4,967,622. U.S. Patent and Trademark Office Official Gazette General and Mechanical; Mar. 27, 1990; p. 2017; 4,911,038. U.S. Patent and Trademark Office Official Gazette Mar. 27, 1990; p. 2018; 4,911,039; 4,911,040. U.S. Patent and Trademark Office Official Gazette General and Mechanical: Aug. 2, 1988; p. 67; 4,760,763. U.S. Patent and Trademark Office Official Gazette; Oct. 2, 1984; p. 72; 4,474,087. U.S. Patent and Trademark Office Official Gazette General and Mechanical; Feb. 9, 1988; p. 509; 4,723,465. U.S. Patent and Trademark Office Official Gazette Jul. 6, 1982; p. 54; 4,337,678.
Patent History
Patent number: D346102
Type: Grant
Filed: Dec 21, 1992
Date of Patent: Apr 19, 1994
Assignee: Burroughs Wellcome Co. (Research Triangle Park, NC)
Inventor: Brian L. Ogden (Dartford)
Primary Examiner: Bernard Ansher
Assistant Examiner: R. Barkai
Attorneys: Donald Brown, Lawrence A. Nielsen, Hannah O. Green
Application Number: 0/2,766
Classifications
Current U.S. Class: D 8/40