Door knob

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Information

Patent Grant
D261223

References
Source

Patent Number
D261,223
Date Filed
Tuesday, August 7, 1979
45 years ago
Date Issued
Tuesday, October 13, 1981
43 years ago

Inventors
- Winfried Scholl
Original Assignees
- Hewi Heinrich Wilke GmbH
Examiners
- Bullock; B. J.
Agents
- Townsend and Townsend

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 300
- D08 307
- D08 310-312
- 016 110 R
- 016 11 R
- 016 121
- 292 347
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a door knob, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
MR89	Feb 1979	DEX

US Referenced Citations (1)

Number	Name	Date	Kind
D217431	Russell	May 1970

Non-Patent Literature Citations (2)

Entry
EPCO Brochure, p. 4, Knob KP-52.
"The Ironmonger Cat.," .COPYRGT.1974, p. 4, Knob 557/50.