US3273858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer tongue elevator
Assignee: Individual
•
Filing: 1964-07-16
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Granted: 1966-09-20
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Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Coburn Franklin Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:20
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/10; B60S9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A TRAILER TONGUE ELEVATOR COMPRISING A HYDRAULIC LIFTING JACK INCLUDING A MANUALLY-OPERATED HYDRAULIC PUMP, A HYDRAULIC FLUID RESERVOIR, AND A HYDRAULIC RECIPROCATORY MOTOR HYDRAULICALLY CONNECTED TO SAID PUMP AND RESERVOIR, SAID MOTOR HAVING A LIFTING CYLINDER AND A SUPPORTING PLUNGER MOVABLY MOUNTED IN SAID CYLINDER FOR RELATIVE RECIPROCATION THEREBETWEEN AND EXTENDING DOWNWARDLY FROM SAID CYLINDER, A GROUND-ENGAGING STRUCTURE MOUNTED ON THE LOWER PORTION OF SAID PLUNGER, AND A TRAILER TONGUE ADAPTER STRUCTURE INCLUDING A JACK HOLDER CONNECTED TO SAID JACK AND ALSO INCLUDING ATTACHMENT MEANS FOR SECURING SAID JACK HOLDER TO A TRAILER TONGUE, SAID JACK HOLDER INCLUDING AN OUTER TUBULAR MEMBER SURROUNDING SAID CYLINDER AND ALSO INCLUDING MEANS FOR SECURING SAID CYLINDER TO SAID OUTER TUBULAR MEMBER, SAID SECURING MEANS INCLUDING A SLEEVE CONNECTED TO THE UPPER PORTION OF SAID OUTER TUBULAR MEMBER AND ALSO CONNECTED TO THE UPPER PORTION OF SAID CYLINDER, SAID SLEEVE HAVING AN OPENING THEREIN AND SAID PUMP BEING DISPOSED ABOVE SAID CYLINDER AND EXTENDING OUTWARDLY THEREFROM THROUGH SAID OPENING.
Claim 2
Dependent Claim
165 words
A TRAILER TONGUE ELEVATOR COMPRISING A HYDRAULIC LIFTING JACK INCLUDING A MANUALLY-OPERATED HYDRAULIC PUMP, A HYDRAULIC FLUID RESERVOIR, AND A HYDRAULIC RECIPROCATORY MOTOR HYDRAULICALLY CONNECTED TO SAID PUMP AND RESERVOIR, SAID MOTOR HAVING A LIFTING CYLINDER AND A SUPPORTING PLUNGER MOVABLY MOUNTED IN SAID CYLINDER FOR RELATIVE RECIPROCATION THEREBETWEEN AND EXTENDING DOWNWARDLY FROM SAID CYLINDER, A GROUND-ENGAGING STRUCTURE MOUNTED ON THE LOWER PORTION OF SAID PLUNGER, AND A TRAILER TONGUE ADAPTER STRUCTURE INCLUDING A JACK HOLDER CONNECTED TO SAID JACK AND ALSO INCLUDING ATTACHMENT MEANS FOR SECURING SAID JACK HOLDER TO A TRAILER TONGUE, SAID JACK HOLDER INCLUDING AN OUTER TUBULAR MEMBER SURROUNDING SAID CYLINDER AND ALSO INCLUDING MEANS FOR SECURING SAID CYLINDER TO SAID OUTER TUBULAR MEMBER, SAID SECURING MEANS INCLUDING A SLEEVE CONNECTED TO THE UPPER PORTION OF SAID OUTER TUBULAR MEMBER AND ALSO CONNECTED TO THE UPPER PORTION OF SAID CYLINDER, SAID SLEEVE HAVING AN OPENING THEREIN AND SAID PUMP BEING DISPOSED ABOVE SAID CYLINDER AND EXTENDING OUTWARDLY THEREFROM THROUGH SAID OPENING.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |