Patent US3136526A successfully refreshed from Google Patents.
US3136526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack mechanism
Assignee: Individual
•
Filing: 1962-01-22
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Granted: 1964-06-09
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Wolf Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:50
CPC Classifications
B; B66; B66F; B66F5/00; B66F5/04; B66F7/00; B66F7/06; B66F7/0625; B66F7/0641; B66F7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
APPARATUS OF THE CHARACTER DESCRIBED INCLUDING A BASE STRUCTURE, A GENERALLY HORIZONTALLY DISPOSED CYLINDER CARRIED BY SAID BASE AND HAVING A PISTON ROD EXTENDING THEREFROM, A FIRST PIVOTABLE MEMBER ADAPTED FOR PIVOTAL MOVEMENT ABOUT A AXIS GENERALLY NORMAL TO SAID CYLINDER, A SECOND PIVOTABLE MEMBER ADAPTED FOR PIVOTAL MOVEMENT ABOUT AN AXIS GENERALLY NORMAL TO SAID CYLINDER, SAID PIVOTABLE MEMBERS BEING DISPOSED IN ADJACENT RELATIONSHIP, A LINK HAVING ONE END PORTION THEREOF PIVOTALLY CONNECTED TO SAID ROD AND THE OTHER END PORTION THEREOF PIVOTALLY CONNECTED TO EACH OF SAID PIVOTABLE MEMBERS FOR IMPARTING PIVOTAL MOVEMENT TO SAID MEMBERS UPON PISTON ROD MOVEMENT, AND A PAIR OF SUPPORT ARMS EACH FIXEDLY CONNECTED RESPECTIVELY TO ONE OF SAID MEMBERS FOR RAISING
Claim 2
Dependent Claim
119 words
APPARATUS OF THE CHARACTER DESCRIBED INCLUDING A BASE STRUCTURE, A GENERALLY HORIZONTALLY DISPOSED CYLINDER CARRIED BY SAID BASE AND HAVING A PISTON ROD EXTENDING THEREFROM, A FIRST PIVOTABLE MEMBER ADAPTED FOR PIVOTAL MOVEMENT ABOUT A AXIS GENERALLY NORMAL TO SAID CYLINDER, A SECOND PIVOTABLE MEMBER ADAPTED FOR PIVOTAL MOVEMENT ABOUT AN AXIS GENERALLY NORMAL TO SAID CYLINDER, SAID PIVOTABLE MEMBERS BEING DISPOSED IN ADJACENT RELATIONSHIP, A LINK HAVING ONE END PORTION THEREOF PIVOTALLY CONNECTED TO SAID ROD AND THE OTHER END PORTION THEREOF PIVOTALLY CONNECTED TO EACH OF SAID PIVOTABLE MEMBERS FOR IMPARTING PIVOTAL MOVEMENT TO SAID MEMBERS UPON PISTON ROD MOVEMENT, AND A PAIR OF SUPPORT ARMS EACH FIXEDLY CONNECTED RESPECTIVELY TO ONE OF SAID MEMBERS FOR RAISING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |