Retractable data display unit

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Information

Patent Grant
D322287

References
Source

Patent Number
D322,287
Date Filed
Monday, September 26, 1988
36 years ago
Date Issued
Tuesday, December 10, 1991
33 years ago

Inventors
- Joel Sukman
Original Assignees
- Thomson-Leeds Company, Inc.
Examiners
- Dunkins; Bruce W.
- Thompson; Martha
Agents
- Miskin; Howard C.

US Classifications
- D20 - Sales and advertising equipment
- D19 - Office supplies
Field of Search
- US
- D19 36
- D19 65
- D19 76
- D19 89
- D19 99
- D19 100
- D20 43
- D20 21
- D12 191
- 040 493
- 040 494
- 040 530
- 040 531
- 040 594
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a retractable data display unit, as shown and described.

US Referenced Citations (17)

Number	Name	Date	Kind
D117447	Campbell et al.	Nov 1939
D156538	Kingmon	Dec 1949
D252465	Halm	Jul 1979
D260535	Bovet	Sep 1981
D277394	Assels	Jan 1985
D277395	Ippen	Jan 1985
D297649	Shiffner	Sep 1988
D309158	Shattan	Jul 1990
D311716	Widrig	Oct 1990
1813881	Peters	May 1929
2733763	Nygaard	Feb 1956
2828562	Warren	Apr 1958
2828563	Guess	Apr 1958
3859744	Holmes	Jan 1975
4129215	Halm	Dec 1978
4182059	Greene	Jan 1980
4270291	Babberl	Jun 1981