US3323619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch braking assembly
Assignee: —
•
Filing: —
•
Granted: 1967-06-06
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Expires: 1984-06-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:09
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60T; B60T7/00; B60T7/12; B60T7/20; B60T13/00; B60T13/02; B60T13/06; B60T13/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
IN A TRAILER HITCH: TELESCOPING, TUBULAR MEMBERS ADAPTED RESPECTIVELY FOR ATTACHMENT TO A TOWING VEHICLE AND A TOWED VEHICLE; A CROSSBAR PENETRATING BOTH MEMBERS, SAID CROSSBAR BEING SECURED IN THE INNER MEMBER AND AXIALLY SLIDABLE IN SLOTS IN THE OUTER MEMBER; A BRAKING CYLINDER CONNECTED BETWEEN ONE END OF SAID CROSSBAR AND THE OUTER OF SAID TUBULAR MEMBERS; A LEVER PIVOTED ON SAID CROSSBAR; A CAM MOVABLE WITH SAID LEVER; A FOLLOWER FIXEDLY MOUNTED WITH RESPECT TO THE OUTER OF SAID TUBULAR MEMBERS AND SAID FOLLOWER BEING ENGAGEABLE WITH SAID CAM TO PRODUCE RELATIVE AXIAL MOVEMENT BETWEEN SAID TUBULAR MEMBERS WHEREBY TO ACTUATE SAID BRAKING CYLINDER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |