Patent US3361409A successfully refreshed from Google Patents.
US3361409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack having lifting beam forces applied by rollers to provide for horizontal movement
Assignee: MYRON R STAHL
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Filing: 1966-12-12
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Granted: 1968-01-02
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Myron R Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:48
CPC Classifications
B; B66; B66F; B66F5/00; B66F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A JACK FOR LIFTING AN OBJECT, AND SAID JACK HAVING A BASE, A HYDRAULIC LIFTING MEANS SUPPORTED BY SAID BASE, A LIFTING BEAM MEANS HAVING A TONGUE EXTENDING THEREFROM, SAID TONGUE HAVING A LIFTING POINT, FIRST MEANS FIXED TO SAID HYDRAULIC LIFTING MEANS FOR LIFTING SAID BEAM MEANS AT A FIRST POINT, A SECOND MEANS FIXED TO SAID BASE FOR SUPPORTING SAID BEAM MEANS AT A SECOND POINT, BOTH OF SAID MEANS BEING SPACED FROM SAID LIFTING POINT, SAID FIRST MEANS COMPRISING A FIRST ROLLER MEANS ABUTTING A FIRST REACTIVE SURFACE AND SAID SECOND MEANS COMPRISING A SECOND ROLLER MEANS ABUTTING A SECOND REACTIVE SURFACE WHEREBY SAID LIFTING BEAM MEANS IS CAPABLE OF MOVING IN A SUBTANTIALLY HORIZONTAL DIRECTION BY ACTION OF SAID ROLLERS ON SAID REACTIVE SURFACES TO SUBSTANTIALLY RELIEVE STRESSES WITHIN SAID JACK AND SAID OBJECT IN THE PLANT OF THE HORIZONTAL MOVEMENT.
Claim 2
Dependent Claim
145 words
A JACK FOR LIFTING AN OBJECT, AND SAID JACK HAVING A BASE, A HYDRAULIC LIFTING MEANS SUPPORTED BY SAID BASE, A LIFTING BEAM MEANS HAVING A TONGUE EXTENDING THEREFROM, SAID TONGUE HAVING A LIFTING POINT, FIRST MEANS FIXED TO SAID HYDRAULIC LIFTING MEANS FOR LIFTING SAID BEAM MEANS AT A FIRST POINT, A SECOND MEANS FIXED TO SAID BASE FOR SUPPORTING SAID BEAM MEANS AT A SECOND POINT, BOTH OF SAID MEANS BEING SPACED FROM SAID LIFTING POINT, SAID FIRST MEANS COMPRISING A FIRST ROLLER MEANS ABUTTING A FIRST REACTIVE SURFACE AND SAID SECOND MEANS COMPRISING A SECOND ROLLER MEANS ABUTTING A SECOND REACTIVE SURFACE WHEREBY SAID LIFTING BEAM MEANS IS CAPABLE OF MOVING IN A SUBTANTIALLY HORIZONTAL DIRECTION BY ACTION OF SAID ROLLERS ON SAID REACTIVE SURFACES TO SUBSTANTIALLY RELIEVE STRESSES WITHIN SAID JACK AND SAID OBJECT IN THE PLANT OF THE HORIZONTAL MOVEMENT.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |