Patent US3254607A successfully refreshed from Google Patents.
US3254607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for a boiling liquid
Assignee: Airco Inc
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Filing: 1963-11-26
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Granted: 1966-06-07
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:19
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/16; F04B53/162; F04B15/00; F04B15/06; F04B19/00; F04B19/02; F04B19/022; F04B7/00; F04B7/0073; Y; Y10; Y10S; Y10S417/00; Y10S417/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A VERTICALLY DISPOSED PUMP HAVING A DISCHARGE PASSAGEWAY, OUTLET VALVE MEANS IN SAID PASSAGEWAY THROUGH WHICH LIQUID IS PUMPED UNDER PRESSURE COMPRISING A FIXED UPSTANDING PISTON, SAID PASSAGEWAY DISPOSED WITHIN SAID PISTON, A SHAFT ABOVE SAID PISTON MOUNTED FOR PUMPING MOVEMENT TOWARD SAID PISTON AND FOR SUCTION PRODUCING MOVEMENT AWAY FROM SAID PISTON, A HOLLOW MOVABLE CYLINDER FOR RECEIVING THE LIQUID TO BE PUMPED SLIDEABLY RECEIVING THE SHAFT FOR MOVEMENT THEREWITH OVER A PORTION OF THE DISTANCE TRAVERSED BY THE SHAST, SAID CYLINDER MOUNT-
Claim 2
Dependent Claim
84 words
A VERTICALLY DISPOSED PUMP HAVING A DISCHARGE PASSAGEWAY, OUTLET VALVE MEANS IN SAID PASSAGEWAY THROUGH WHICH LIQUID IS PUMPED UNDER PRESSURE COMPRISING A FIXED UPSTANDING PISTON, SAID PASSAGEWAY DISPOSED WITHIN SAID PISTON, A SHAFT ABOVE SAID PISTON MOUNTED FOR PUMPING MOVEMENT TOWARD SAID PISTON AND FOR SUCTION PRODUCING MOVEMENT AWAY FROM SAID PISTON, A HOLLOW MOVABLE CYLINDER FOR RECEIVING THE LIQUID TO BE PUMPED SLIDEABLY RECEIVING THE SHAFT FOR MOVEMENT THEREWITH OVER A PORTION OF THE DISTANCE TRAVERSED BY THE SHAST, SAID CYLINDER MOUNT-
References Cited (Backward Citations)
US2433812A
Cited
US2818029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |