US3336050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch apparatus
Assignee: Dale Jones Corp
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Filing: 1965-08-09
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Granted: 1967-08-15
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Charley E Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:52
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807; B62D53/0828; Y; Y10; Y10S; Y10S280/00; Y10S280/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A TRAILER HITCH APPARATUS FOR RECEIVING AND COUPLING A TRAILER TOW BAR WITH A TRACTOR VEHICLE HAVING A LOAD RECEIVING BOX, COMPRISING: A RECTANGULAR FRAME SMALLER THAN THE FLOOR OF THE RECEIVING BOX; AN ANCHOR BAR SLIDABLY MOUNTED IN BISECTING RELATION AT EACH CORNER OF THE FRAME AND EXTENDING INWARD THEREOF TOWARD THE LONGITUDINAL AXIS, OF SAID FRAME; WEDGE MEMBERS MOVABLE IN SAID FRAME, SAID WEDGE MEMBERS EACH HAVING A CAM SURFACE IN CONTACT WITH INNER END OF ONE OF SAID ANCHOR BARS;
Claim 2
Dependent Claim
83 words
A TRAILER HITCH APPARATUS FOR RECEIVING AND COUPLING A TRAILER TOW BAR WITH A TRACTOR VEHICLE HAVING A LOAD RECEIVING BOX, COMPRISING: A RECTANGULAR FRAME SMALLER THAN THE FLOOR OF THE RECEIVING BOX; AN ANCHOR BAR SLIDABLY MOUNTED IN BISECTING RELATION AT EACH CORNER OF THE FRAME AND EXTENDING INWARD THEREOF TOWARD THE LONGITUDINAL AXIS, OF SAID FRAME; WEDGE MEMBERS MOVABLE IN SAID FRAME, SAID WEDGE MEMBERS EACH HAVING A CAM SURFACE IN CONTACT WITH INNER END OF ONE OF SAID ANCHOR BARS;
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |