Patent US3605457A successfully refreshed from Google Patents.
US3605457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch lock
Assignee: Individual
•
Filing: 1970-04-23
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Granted: 1971-09-20
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Expires: 1990-04-23
Abstract
Abstract AN APPARATUS FOR PREVENTING ACCESS TO A TRAILER INCLUDING AN ENCLOSURE ABOUT THE END OF THE HITCH AND A SUBSTITUTE TOWING BALL CARRIED ON A WALL SEGMENT OF THE ENCLOSURE FOR INSERTION INTO THE BALL SOCKET OF THE HITCH. A WALL SEGMENT OF THE ENCLOSURE IS PIVOTALLY CONNECTED TO THE ENCLOSURE TO ALLOW INSERTION AND REMOVAL OF THE SUBSTITUTE BALL AND A CONCEALED LOCK IS PROVIDED TO RETAIN THE ENCLOSURE ABOUT THE HITCH.
Inventors
- 👤 William D Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:16
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/60; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/50; Y10T70/5009; Y10T70/5889; Y10T70/5982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |