Screwdriver shaft

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Information

Patent Grant
D371947

References
Source

Patent Number
D371,947
Date Filed
Monday, September 19, 1994
30 years ago
Date Issued
Tuesday, July 23, 1996
28 years ago

Inventors
- Philip Mellinger
Original Assignees
- Cross Medical Products, Inc.
Examiners
- Hyder; Philip S.
Agents
- Hudak & Shunk Co.

US Classifications
- D08 - Tools and hardware
- D24 - Medical and laboratory equipment
Field of Search
- US
- D08 14
- D08 82
- D08 85
- D08 86
- D24 133
- D24 146
- D24 145
- D24 147
- 081 436
- 606 104
- 606 72
- 606 73
- 606 77
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a screwdriver shaft, as shown and described.

US Referenced Citations (11)

Number	Name	Date	Kind
D273556	Henry	Apr 1984
D311483	Espin	Oct 1990
D312034	Espin	Nov 1990
2193477	DeVellier	Mar 1940
3424212	Kemper	Jan 1969
3842875	Tascone	Oct 1974
3985170	Iskra	Oct 1976
4191228	Fenton	Mar 1980
5013316	Goble et al.	May 1991
5237893	Ryder et al.	Aug 1993
5364400	Rego, Jr. et al.	Nov 1994