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Sonic signal generator
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Information
Patent Grant
D261118
References
Source
Patent Number
D261,118
Date Filed
Monday, June 4, 1979
45 years ago
Date Issued
Tuesday, October 6, 1981
42 years ago
Inventors
Leslie Perhacs Jr.
Original Assignees
Proctor & Associates Company
Examiners
Lucas; Susan J.
Agents
Christensen, O'Connor, Johnson & Kindness
US Classifications
D10 - Measuring, testing, or signalling instruments
Field of Search
US
D10 104
D10 106
D10 121
340 539
340 541
340 545
340 546
340 547
340 550-555
340 561
340 562
340 565
340 567
340 568
340 571
340 572
International Classifications
Term of Grant
14Years
Information
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Abstract
Description
Claims
The ornamental design for a sonic signal generator, as shown.
US Referenced Citations (4)
Number
Name
Date
Kind
D233319
Skarman
Oct 1974
D240121
Pasquarette
Jun 1976
D242133
Fitzsimmonds
Nov 1976
4117462
Miller
Sep 1978
Non-Patent Literature Citations (1)
Entry
Sears Roebuck Catalog, Spring & Summer, 1954, p. 811, Door Chime Cover N.