US3237966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck coupling
Assignee: T A C ENTERPRISES Inc
•
Filing: 1962-12-05
•
Granted: 1966-03-01
•
Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:31
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0871
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN AUTOMOTIVE VEHICLE COMPRISING A TRACTOR INCLUDING A FRAME, A TRAILER, A PLATE RESILIENTALY MOUNTED FOR LIMITED VERTICAL MOVEMENT ON SAID TRACTOR FRAME, SAID PLATE SUPPORTED A PLURALITY OF ELONGATED PARALLEL RODS EXTENDING LONGITUDINALLY OF SAID TRACTOR, A PLURALITY OF PARALLEL TUBES FOR TELESCOPINGLY RECEIVING SAID RODS MOUNTED ON THE UNDERSIDE OF THE FRONT END OF SAID TRAILER, A RISER ON SAID TRACTOR DEFINING A KING PIN GUIDE SLOT, A KING PIN ON SAID TRAILER AND RELEASABLE MEANS FOR LOCKING SAID KING PIN IN SAID SLOT.
Claim 2
Dependent Claim
86 words
AN AUTOMOTIVE VEHICLE COMPRISING A TRACTOR INCLUDING A FRAME, A TRAILER, A PLATE RESILIENTALY MOUNTED FOR LIMITED VERTICAL MOVEMENT ON SAID TRACTOR FRAME, SAID PLATE SUPPORTED A PLURALITY OF ELONGATED PARALLEL RODS EXTENDING LONGITUDINALLY OF SAID TRACTOR, A PLURALITY OF PARALLEL TUBES FOR TELESCOPINGLY RECEIVING SAID RODS MOUNTED ON THE UNDERSIDE OF THE FRONT END OF SAID TRAILER, A RISER ON SAID TRACTOR DEFINING A KING PIN GUIDE SLOT, A KING PIN ON SAID TRAILER AND RELEASABLE MEANS FOR LOCKING SAID KING PIN IN SAID SLOT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |