Door blocking lock

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Information

Patent Grant
D431997

References
Source

Patent Number
D431,997
Date Filed
Friday, December 3, 1999
25 years ago
Date Issued
Tuesday, October 17, 2000
24 years ago

Inventors
- Harvey K. Markegard
- Joseph M. Higgins
Original Assignees
- Blockit & Lockit Systems
Examiners
- Lucas; Susan J.
- Rivard; Jennifer
Agents
- Martin; Rick
- Patent Law Offices of Rick Martin, P.C.

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 402
- D08 330
- D08 331
- 292 338
- 292 339
- 292 DIG 15
- 016 82
- 016 84
- 016 85
- 016 86 B
International Classifications
- 0807
- Term of Grant
  14Years

Information

Abstract

Description

Claims

We claim the ornamental design for the door blocking lock, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D219362	Snyder	Dec 1970
D230701	Lewis et al.	Mar 1974
5787548	Tzen	Sep 1998
5951071	Elliot	Sep 1999