US3192865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated pump
Assignee: Individual
•
Filing: 1963-09-10
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Granted: 1965-07-06
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Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Francis J Klempay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:28
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/06; F01; F01L; F01L23/00; F01L25/00; F01L25/08; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/113; F04B43/1136; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A HYDRAULICALLY ACTUATED DIAPHRAGM-TYPE FLUID PUMP A THICK DISK-LIKE MOUNTING MEMBER HAVING A CENTRALLY DISPOSED AXIAL BORE THERETHROUGH, A ROD PASSING THROUGH AND SLIDEABLY RECEIVED IN SAID BORE AND MOUNTING AT EACH OF ITS ENDS A CUP-SHAPED PISTON HAVINNG ITS OPEN END EXTENDING AWAY FROM SAID MOUNTING MEMBER, SLEEVELIKE FLEXIBLE DISPHRAGMS HAVING ENDS SECURED IN FLUID-TIGHT RELATION TO THE OUTER PHERIPHERAL PORTION OF SAID MOUNTING MEMBER AND HAVING THEIR OUTER ENDS SECURED TO INNER PORTIONS OF SAID CUP-SHAPED MEMBERS IN FLUID-TIGHT RELATION THERETO, A TUBE ENCLOSING SAID DIAPHRAGMS AND PISTONS TO
Claim 2
Dependent Claim
92 words
IN A HYDRAULICALLY ACTUATED DIAPHRAGM-TYPE FLUID PUMP A THICK DISK-LIKE MOUNTING MEMBER HAVING A CENTRALLY DISPOSED AXIAL BORE THERETHROUGH, A ROD PASSING THROUGH AND SLIDEABLY RECEIVED IN SAID BORE AND MOUNTING AT EACH OF ITS ENDS A CUP-SHAPED PISTON HAVINNG ITS OPEN END EXTENDING AWAY FROM SAID MOUNTING MEMBER, SLEEVELIKE FLEXIBLE DISPHRAGMS HAVING ENDS SECURED IN FLUID-TIGHT RELATION TO THE OUTER PHERIPHERAL PORTION OF SAID MOUNTING MEMBER AND HAVING THEIR OUTER ENDS SECURED TO INNER PORTIONS OF SAID CUP-SHAPED MEMBERS IN FLUID-TIGHT RELATION THERETO, A TUBE ENCLOSING SAID DIAPHRAGMS AND PISTONS TO
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |