Patent US3096077A successfully refreshed from Google Patents.
US3096077A
Expired / Lapsed
US
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Barring jack
Assignee: Individual
•
Filing: 1958-12-09
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Granted: 1963-07-02
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Expires: 1978-12-09
Abstract
No abstract record available.
Inventors
- 👤 James M Forsyth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:34
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/06; F15B15/061; F15B15/08; F15B15/14; F15B15/149; F16; F16H; F16H31/00; F16H31/003; F16H31/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A BARRING JACK, A BASE, A CYLINDER, AXLE MEANS CARRIED BY SAID BASE AND SUPPORTING SAID CYLINDER FOR OSCILLATION ABOUT THE AXIS OF SAID AXLE MEANS, PRESSURE FLUID CONNECTION MEANS TO SAID AXLE MEANS AND FROM SAID AXLE MEANS TO THE ADJACENT END OF SAID CYLINDER, A HOLLOW TUBE EXTENDING FROM SAID FLUID PRESSURE CONNECTION MEANS WITHIN SAID CYLINDER TO THE OPPOSITE END OF SAID CYLINDER, A PISTON IN SAID CYLINDER AND GUIDED ON SAID TUBE AND PREVENTED THEREBY FROM ROTATION IN SAID CYLINDER, MEANS TO FIXEDLY SUPPORT SAID HOLLOW TUBE AT THE OPPOSITE END FROM SAID FLUID PRESSURE CONNECTION MEANS WHEREBY SAID HOLLOW TUBE PASSES THROUGH SAID PISTON, AND A PISTON ROD ON SAID PISTON AND HAVING A BARRING HEAD AT THE END THEREOF FOR ENGAGEMENT IN NOTCHES IN THE FLYWHEEL OF AN ENGINE, SAID AXLE
Claim 2
Dependent Claim
138 words
IN A BARRING JACK, A BASE, A CYLINDER, AXLE MEANS CARRIED BY SAID BASE AND SUPPORTING SAID CYLINDER FOR OSCILLATION ABOUT THE AXIS OF SAID AXLE MEANS, PRESSURE FLUID CONNECTION MEANS TO SAID AXLE MEANS AND FROM SAID AXLE MEANS TO THE ADJACENT END OF SAID CYLINDER, A HOLLOW TUBE EXTENDING FROM SAID FLUID PRESSURE CONNECTION MEANS WITHIN SAID CYLINDER TO THE OPPOSITE END OF SAID CYLINDER, A PISTON IN SAID CYLINDER AND GUIDED ON SAID TUBE AND PREVENTED THEREBY FROM ROTATION IN SAID CYLINDER, MEANS TO FIXEDLY SUPPORT SAID HOLLOW TUBE AT THE OPPOSITE END FROM SAID FLUID PRESSURE CONNECTION MEANS WHEREBY SAID HOLLOW TUBE PASSES THROUGH SAID PISTON, AND A PISTON ROD ON SAID PISTON AND HAVING A BARRING HEAD AT THE END THEREOF FOR ENGAGEMENT IN NOTCHES IN THE FLYWHEEL OF AN ENGINE, SAID AXLE
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |