Prosthetic valve key
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Description
FIG. 1 is a perspective view showing our new design of a prosthetic valve key; the broken lines are shown for illustrative purposes only;
FIG. 2 is an elevation view taken from the top of FIG. 1;
FIG. 3 is a elevation view taken from the bottom of FIG. 3;
FIG. 4 is a front elevation view taken from the front of FIG. 1; and
FIG. 5 is an end elevation view taken from either the left or right side of FIG. 4.
Referenced Cited
U.S. Patent Documents
Other references
D31361 | August 1899 | Ball |
D189198 | November 1960 | Hunter |
D189406 | December 1960 | Harlow |
841472 | January 1907 | Vanderherchen |
2788817 | April 1957 | Leniz |
4242932 | January 6, 1981 | Barmore |
- Daka-Ware, Standard Plastic Parts, Handles Pull and Knobs., Cat. No. 9, p. 6, Item No. #2620, Knob.
Patent History
Patent number: D272468
Type: Grant
Filed: Jun 15, 1981
Date of Patent: Jan 31, 1984
Assignee: United States Manufacturing Company (Pasadena, CA)
Inventors: Timothy D. Bulgarelli (Pasadena, CA), John L. Stonecipher (Sierra Madre, CA)
Primary Examiner: Bernard Ansher
Law Firm: Christie, Parker & Hale
Application Number: 6/273,761
Type: Grant
Filed: Jun 15, 1981
Date of Patent: Jan 31, 1984
Assignee: United States Manufacturing Company (Pasadena, CA)
Inventors: Timothy D. Bulgarelli (Pasadena, CA), John L. Stonecipher (Sierra Madre, CA)
Primary Examiner: Bernard Ansher
Law Firm: Christie, Parker & Hale
Application Number: 6/273,761
Classifications
Current U.S. Class:
D24/99;
D24/8;
D23/28;
D 8/29;
D/8300
International Classification: D2499;
International Classification: D2499;