US3263609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Stewart Warner Corp
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Filing: 1963-09-19
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Granted: 1966-08-02
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Expires: 1983-09-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Bystricky
- 👤 Jose L Luna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:00
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/04; F04; F04B; F04B49/00; F04B49/12; F04B49/121; F16N13/06; F16N13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PUMP, COMPRISING A HOUSING, AN INPUT SHAFT SUPPORTED TO ROTATE WITHIN THE HOUSING, A PUMPING MEMBER MOVABLE TO DEFINE AN EXPANSIBLE PUMPING CHAMBER, FLUID INLET AND OUTLET MEANS FOR THE PUMPING CHAMBER, ACTUATING MEANS DRIVEN BY THE INPUT SHAFT OPERABLE TO ACTUATE THE PUMPING MEMBER IN ONE DIRECTION ONLY FOR ALTERING THE VOLUME OF SAID PUMPING CHAMBER TO CAUSE FLUID FLOW THROUGH SAID CHAMBER, MEANS FOR DRIVING SAID PUMPING MEANS IN THE OPPOSITE DIRECTION ONLY TO HOLD SAID PUMPING MEANS ENGAGED WITH SAID ACTUATING MEANS, AND RETAINING MEANS DRIVEN BY THE INPUT SHAFT AT A DIFFERENT RATIO THAN THAT OF THE ACTUATING MEMBER OPERABLE INTERMITTENTLY TO HOLD THE PUMPING MEMBER SPACED AND FREE FROM THE ACTUATING MEMBER AGAINST THE FORCE OF SAID DRIVING MEANS SO AS TO PREVENT FLUID FLOW THROUGH SAID CHAMBER.
Claim 2
Dependent Claim
134 words
A PUMP, COMPRISING A HOUSING, AN INPUT SHAFT SUPPORTED TO ROTATE WITHIN THE HOUSING, A PUMPING MEMBER MOVABLE TO DEFINE AN EXPANSIBLE PUMPING CHAMBER, FLUID INLET AND OUTLET MEANS FOR THE PUMPING CHAMBER, ACTUATING MEANS DRIVEN BY THE INPUT SHAFT OPERABLE TO ACTUATE THE PUMPING MEMBER IN ONE DIRECTION ONLY FOR ALTERING THE VOLUME OF SAID PUMPING CHAMBER TO CAUSE FLUID FLOW THROUGH SAID CHAMBER, MEANS FOR DRIVING SAID PUMPING MEANS IN THE OPPOSITE DIRECTION ONLY TO HOLD SAID PUMPING MEANS ENGAGED WITH SAID ACTUATING MEANS, AND RETAINING MEANS DRIVEN BY THE INPUT SHAFT AT A DIFFERENT RATIO THAN THAT OF THE ACTUATING MEMBER OPERABLE INTERMITTENTLY TO HOLD THE PUMPING MEMBER SPACED AND FREE FROM THE ACTUATING MEMBER AGAINST THE FORCE OF SAID DRIVING MEANS SO AS TO PREVENT FLUID FLOW THROUGH SAID CHAMBER.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |