Patent US3112124A successfully refreshed from Google Patents.
US3112124A
Expired / Lapsed
US
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Double implement drawbar
Assignee: Individual
•
Filing: 1962-03-22
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Granted: 1963-11-26
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Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 Walter A Bartel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:43
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/04; A01B59/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A DRAWBAR FOR TOWING IMPLEMENTS BEHIND A TOWING VEHICLE COMPRISING, A SUBSTANTIALLY U-SHAPED FRAME DISPOSED HORIZONTALLY WHEN IN OPERATIVE POSITION, SAID FRAME HAVING A FRONT LEG AND REAR LEG CONNECTED AT THEIR ENDS BY A BIGHT PORTION, GROUND ENGAGING SUPPORT WHEELS CONNECTED TO SAID FRAME, COUPLING MEANS ON THE FREE END OF EACH LEG FOR CONNECTION WITH ONE OF THE IMPLEMENTS, AN ELONGATED TONGUE PIVOTALLY CONNECTED AT ONE END TO A CENTRAL PORTION OF THE FRONT LEG AND HAVING MEANS AT ITS OTHER END ADAPTED TO BE CONNECTED TO THE TOWING VEHICLE,
Claim 2
Dependent Claim
92 words
A DRAWBAR FOR TOWING IMPLEMENTS BEHIND A TOWING VEHICLE COMPRISING, A SUBSTANTIALLY U-SHAPED FRAME DISPOSED HORIZONTALLY WHEN IN OPERATIVE POSITION, SAID FRAME HAVING A FRONT LEG AND REAR LEG CONNECTED AT THEIR ENDS BY A BIGHT PORTION, GROUND ENGAGING SUPPORT WHEELS CONNECTED TO SAID FRAME, COUPLING MEANS ON THE FREE END OF EACH LEG FOR CONNECTION WITH ONE OF THE IMPLEMENTS, AN ELONGATED TONGUE PIVOTALLY CONNECTED AT ONE END TO A CENTRAL PORTION OF THE FRONT LEG AND HAVING MEANS AT ITS OTHER END ADAPTED TO BE CONNECTED TO THE TOWING VEHICLE,
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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |