Prosthetic valve key

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Information

Patent Grant
D272468

References
Source

Patent Number
D272,468
Date Filed
Monday, June 15, 1981
43 years ago
Date Issued
Tuesday, January 31, 1984
40 years ago

Inventors
- Timothy D. Bulgarelli
- John L. Stonecipher
Original Assignees
- United States Manufacturing Company
Examiners
- Ansher; Bernard
Agents
- Christie, Parker & Hale

US Classifications
Field of Search
- US
- 128 303 R
- 003 1911
- 003 1912
- 081 436
- 081 437
- D09 302
- D09 454
- D09 306
- D09 443
- D23 28
- D08 DIG 2
- D08 300
- D24 99
- D24 8
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for the prosthetic valve key, substantially as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D31361	Ball	Aug 1899
D189198	Hunter	Nov 1960
D189406	Harlow	Dec 1960
841472	Vanderherchen	Jan 1907
2788817	Leniz	Apr 1957
4242932	Barmore	Jan 1981

Non-Patent Literature Citations (1)

Entry
Daka-Ware, Standard Plastic Parts, Handles Pull and Knobs., Cat. No. 9, p. 6, Item No. #2620, Knob.