Patent US3106138A successfully refreshed from Google Patents.
US3106138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston type hydrostatic power units
Assignee: Individual
•
Filing: 1960-06-27
•
Granted: 1963-10-08
•
Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Hans Toma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:56
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0082; F01B3/0085; F04; F04B; F04B1/00; F04B1/12; F04B1/122; F04B1/124; F16; F16C; F16C39/00; F16C39/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336; Y10T74/21; Y10T74/2173; Y10T74/2185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A HYDROSTATIC POWER UNIT OF THE TYPE HAVING A PISTON RECIPROCTING IN A CYLINDER AND A FORCE TRANSMITTING MEMBER HINGED TO SAID PISTON IN SUCH A WAY AS TO PERMIT RELATIVE MOVEMENT BETWEEN SAID PISTON AND SAID FORCE TRANSMITTING MEMBER, CONDUIT MEANS EXTENDING FROM THE END OF THE PISTON ADJACENT AND FORCE TRANSMITTING MEMBER AND COMMUNICATING WITH EXTERIOR OF THE PISTON, MEANS TO SUPPLY OIL UNDER PRESSURE TO SAID FORCE TRANSMITTING MEMBER AND VALVING MEANS CONTROLLED BY RELATIVELY MOVEMENT BETWEEN SAID PISTON AND SAID FORCE TRANSMITTING MEMBER FOR CONTROLLING THE FLOW OF PRESSURE OIL INTO SAID CONDUIT MEANS, THE CONDUIT MEANS COMPRISING AN AXIAL BORE IN THE PISTON AND A ROD PRESSED INTO SAID BORE IN THE PISTON TO-
Claim 2
Dependent Claim
119 words
A HYDROSTATIC POWER UNIT OF THE TYPE HAVING A PISTON RECIPROCTING IN A CYLINDER AND A FORCE TRANSMITTING MEMBER HINGED TO SAID PISTON IN SUCH A WAY AS TO PERMIT RELATIVE MOVEMENT BETWEEN SAID PISTON AND SAID FORCE TRANSMITTING MEMBER, CONDUIT MEANS EXTENDING FROM THE END OF THE PISTON ADJACENT AND FORCE TRANSMITTING MEMBER AND COMMUNICATING WITH EXTERIOR OF THE PISTON, MEANS TO SUPPLY OIL UNDER PRESSURE TO SAID FORCE TRANSMITTING MEMBER AND VALVING MEANS CONTROLLED BY RELATIVELY MOVEMENT BETWEEN SAID PISTON AND SAID FORCE TRANSMITTING MEMBER FOR CONTROLLING THE FLOW OF PRESSURE OIL INTO SAID CONDUIT MEANS, THE CONDUIT MEANS COMPRISING AN AXIAL BORE IN THE PISTON AND A ROD PRESSED INTO SAID BORE IN THE PISTON TO-
References Cited (Backward Citations)
US2735407A
Cited
US1274391A
Cited
GB293506A
Cited
US2300009A
Cited
FR883348A
Cited
US2518619A
Cited
US2699123A
Cited
FR1132634A
Cited
US2847938A
Cited
US2968287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |