Crank handle

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Information

Patent Grant
D331531

References
Source

Patent Number
D331,531
Date Filed
Monday, December 3, 1990
33 years ago
Date Issued
Tuesday, December 8, 1992
31 years ago

Inventors
Original Assignees
- Andersen Corporation
Examiners
- Bullock; B. J.
Agents
- Merchant, Gould, Smith, Edell, Welter & Schmidt

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 300
- D08 309
- D08 400
- 049 460
- 016 110 R
- 016 121
- 292 347
- 044 545
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a crank handle, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D161022	Haviland	Nov 1950
D189473	Bertsch	Dec 1960
2290815	Ruppel	Jul 1942
2978927	Blanton	Apr 1961
3114542	Ahlgren	Dec 1963
4083264	Van Klompenburg	Apr 1978
4220054	Kuhlman	Sep 1980