Patent US3244435A successfully refreshed from Google Patents.
US3244435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle drawbar structure
Assignee: Individual
•
Filing: 1963-08-19
•
Granted: 1966-04-05
•
Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Dewey S Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:38
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/14; B60D1/143; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A DRAWBAR STRUCTURE FOR CONNECTING A TOWING VEHICLE TO A TOWED VEHICLE, COMPRISING A TONGUE HAVING AT ONE END AT LEAST ONE HINGE ASSEMBLY FOR MOUNTING ON THE TOWED VEHICLE AND HAVING AT ITS OPPOSITE END MEANS FOR DETACHABLE CONNECTION OF THE TOWING VEHICLE, SAID HINGE ASSEMBLY INCLUDING A CLEVIS-LIKE BRACKET FOR MOUNTING ON THE TOWED VEHICLE, AN EYE ON SAID TONGUE, SAID EYE COMPRISING AN INTEGRAL UNBROKEN ANNULAR ELEMENT, A PIN EXTENDING THROUGH SAID EYE AND BRACKET AND SECURED TO THE LATTER, A TUBULAR ELASTOMER SLEEVE DISPOSED BETWEEN SAID PIN AND SAID EYE, AND MEANS SEPARATE FROM SAID EYE FOR VARYING THE CONTACT PRESSURE BETWEEN THE SLEEVE ON ONE HAND AND THE EYE AND PIN ON THE OTHER TO ATTAIN VARYING RESISTANCE FORCES TO THE PIVOTING OF THE TONGUE ABOUT THE AXIS OF SAID PIN.
Claim 2
Dependent Claim
136 words
A DRAWBAR STRUCTURE FOR CONNECTING A TOWING VEHICLE TO A TOWED VEHICLE, COMPRISING A TONGUE HAVING AT ONE END AT LEAST ONE HINGE ASSEMBLY FOR MOUNTING ON THE TOWED VEHICLE AND HAVING AT ITS OPPOSITE END MEANS FOR DETACHABLE CONNECTION OF THE TOWING VEHICLE, SAID HINGE ASSEMBLY INCLUDING A CLEVIS-LIKE BRACKET FOR MOUNTING ON THE TOWED VEHICLE, AN EYE ON SAID TONGUE, SAID EYE COMPRISING AN INTEGRAL UNBROKEN ANNULAR ELEMENT, A PIN EXTENDING THROUGH SAID EYE AND BRACKET AND SECURED TO THE LATTER, A TUBULAR ELASTOMER SLEEVE DISPOSED BETWEEN SAID PIN AND SAID EYE, AND MEANS SEPARATE FROM SAID EYE FOR VARYING THE CONTACT PRESSURE BETWEEN THE SLEEVE ON ONE HAND AND THE EYE AND PIN ON THE OTHER TO ATTAIN VARYING RESISTANCE FORCES TO THE PIVOTING OF THE TONGUE ABOUT THE AXIS OF SAID PIN.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |