← Back to Patent Explorer
US3136526A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic jack mechanism

Assignee: Individual
•
Filing: 1962-01-22
•
Granted: 1964-06-09
•
Expires: 1982-01-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Wolf Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:03
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

References Cited (Backward Citations)

GB191118223A Cited
US1873473A Cited
US1951398A Cited
US2189010A Cited
US2219525A Cited
US2480916A Cited
US2523734A Cited
US2747837A Cited
US2838278A Cited
US2920773A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag