US3136136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-pressure pump for cryogenic fluids
Assignee: Union Carbide Corp
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Filing: 1961-10-03
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Granted: 1964-06-09
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Christian F Gottzmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:47
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/008; F04B15/00; F04B15/06; F04B15/08; F04B23/00; F04B23/02; F04B23/021; F04B23/023; F04B53/10; F04B53/1002; F04B53/1015; F04B53/14; Y; Y10; Y10S; Y10S417/00; Y10S417/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A RECIPROCATING PUMP FOR LIQUEFIED GASES HAVING A BOILING POINT BELOW 273* K., SAID PUMP COMPRISING AN ELONGATED PUMP BODY HAVING A PUMPING CHAMBER THEREIN ADJACENT ONE END AND AN OPENING AT THE OTHER END; AN INLET VALVE CONTROLLED PORT NEAR THE END OF SAID PUMPING CHAMBER OPPOSITE SAID OPENING; AN INLET VALVE ASSEMBLY POSITIONED TO CONTROL FLOW THROUGH SAID PORT HAVING AN INLET VALVE PROTRUDING INTO SAID PUMPING CHAMBER SUCH THAT A SPACE IS PROVIDED AT THE LOWER END OF SAID PUMPING CHAMBER NOT OCCUPIED BY THE VALVE ASSEMBLY; A RECIPROCATING PLUNGER EXTENDING THROUGH SAID OPENING IN THE
Claim 2
Dependent Claim
99 words
A RECIPROCATING PUMP FOR LIQUEFIED GASES HAVING A BOILING POINT BELOW 273* K., SAID PUMP COMPRISING AN ELONGATED PUMP BODY HAVING A PUMPING CHAMBER THEREIN ADJACENT ONE END AND AN OPENING AT THE OTHER END; AN INLET VALVE CONTROLLED PORT NEAR THE END OF SAID PUMPING CHAMBER OPPOSITE SAID OPENING; AN INLET VALVE ASSEMBLY POSITIONED TO CONTROL FLOW THROUGH SAID PORT HAVING AN INLET VALVE PROTRUDING INTO SAID PUMPING CHAMBER SUCH THAT A SPACE IS PROVIDED AT THE LOWER END OF SAID PUMPING CHAMBER NOT OCCUPIED BY THE VALVE ASSEMBLY; A RECIPROCATING PLUNGER EXTENDING THROUGH SAID OPENING IN THE
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) | 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 |