Information
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Patent Grant
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D293650
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Patent Number
D293,650
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Date Filed
Friday, April 12, 198539 years ago
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Date Issued
Tuesday, January 12, 198837 years ago
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Inventors
-
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Examiners
Agents
- Neuman, Williams, Anderson & Olson
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US Classifications
Field of Search
US
- D12 162
- D08 330
- D08 331
- D08 343
- 280 507
- 280 515
- 070 58
- 070 258
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Claims
- The ornamental design for a trailer hitch locking device, as shown and described.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
2995025 |
Toepfer |
Aug 1961 |
|
4581908 |
Bulle et al. |
Apr 1986 |
|