Patent US3139291A successfully refreshed from Google Patents.
US3139291A
Expired / Lapsed
US
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Trailer hitch locking device
Assignee: Individual
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Filing: 1961-12-22
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Granted: 1964-06-30
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Geresy Steve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:18
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/60; B60D1/01; B60D1/06; B60D1/065; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A BALL TYPE TRAILER HITCH THE COMBINATION OF A TRAILER HITCH HAVING AN OPEN BOTTOM PARTIALLY SPHERICAL END RECESS FOR RECEIVING A BALL ATTACHED TO A TOWING VEHICLE AND A LATERAL FLANGE ALONG SAID RECESS OPEN BOTTOM, A PLATE HAVING U-SHAPED MARGINAL PORTIONS FOR RECEIVING SAID FLANGE THEREIN ATTACHING SAID PLATE TO SAID HITCH AND CLOSING SAID RECESS OPEN BOTTOM, SAID PLATE HAVING AN UPRIGHT POSITIONED FOR EXTENDING INTO SAID RECESS AND AN OPENING THERETHROUGH, A LEAF PIVOTALLY CONNECTED TO SAID PLATE AND AN UPRIGHT POSITIONED FOR EXTENDING THROUGH SAID PLATE OPENING AND ABUTTING SAID HITCH END WITHIN SAID END RECESS AND A LOCK CARRIED BY SAID LEAF FOR EXTENDING THROUGH SAID PLATE OPENING AND HAVING A LATCH FOR ENGAGING SAID PLATE UPRIGHT LOCKING SAID LEAF TO SAID PLATE.
Claim 2
Dependent Claim
130 words
IN A BALL TYPE TRAILER HITCH THE COMBINATION OF A TRAILER HITCH HAVING AN OPEN BOTTOM PARTIALLY SPHERICAL END RECESS FOR RECEIVING A BALL ATTACHED TO A TOWING VEHICLE AND A LATERAL FLANGE ALONG SAID RECESS OPEN BOTTOM, A PLATE HAVING U-SHAPED MARGINAL PORTIONS FOR RECEIVING SAID FLANGE THEREIN ATTACHING SAID PLATE TO SAID HITCH AND CLOSING SAID RECESS OPEN BOTTOM, SAID PLATE HAVING AN UPRIGHT POSITIONED FOR EXTENDING INTO SAID RECESS AND AN OPENING THERETHROUGH, A LEAF PIVOTALLY CONNECTED TO SAID PLATE AND AN UPRIGHT POSITIONED FOR EXTENDING THROUGH SAID PLATE OPENING AND ABUTTING SAID HITCH END WITHIN SAID END RECESS AND A LOCK CARRIED BY SAID LEAF FOR EXTENDING THROUGH SAID PLATE OPENING AND HAVING A LATCH FOR ENGAGING SAID PLATE UPRIGHT LOCKING SAID LEAF TO SAID PLATE.
References Cited (Backward Citations)
US2149189A
Cited
US2571349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |