Patent US3190230A successfully refreshed from Google Patents.
US3190230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping apparatus
Assignee: Individual
•
Filing: 1963-11-01
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Granted: 1965-06-22
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Edward V Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:17
CPC Classifications
F; F03; F03B; F03B13/00; F03B13/12; F03B13/14; F03B13/16; F03B13/20; F05; F05B; F05B2250/00; F05B2250/40; F05B2250/44; F05B2260/00; F05B2260/40; F05B2260/406; Y; Y02; Y02E; Y02E10/00; Y02E10/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
238 words
A GRAVITY ACTUATED PUMP: COMPRISING A MAIN HOUSING; A SUBSTANTIALLY VERTICALLY DISPOSED SHAFT ROTATABLY MOUNTED IN SAID MAIN HOUSING; A SUBSTANTIALLY HORIZONTALLY DISPOSED PENDULUM SECURED TO SAID SHAFT, SAID PENDULUM BEING FREE TO SWING UNDER THE ACTION OF GRAVITY WHEN SAID HOUSING IS TILTED THEREBY ROTATABLY ACTUATING SAID SHAFT; CRANK MEANS CONNECTED TO SAID SHAFT; AT LEAST ONE PUMPING UNIT DISPOSED IN SAID HOUSING AND OPERATIVELY COUPLED TO SAID CRANK MEANS SO AS TO BE ACTUATED IN RESPONSE TO THE ROTATIONAL MOVEMENT OF SAID SHAFT; SAID PUMPING UNIT COMPRISING A RESILIENT DIAPHRAGM THAT SEALINGLY COVERS ONE END OF A BORE FORMED IN SAID HOUSING, AND A CONNECTING ROD SECURED AT ONE TO THE CENTRAL PORTION OF SAID DIAPHRAGM AND COUPLED AT THE OTHER EFFECTIVE END THEREOF TO SAID CRANK MEANS; SAID HOUSING HAVING INLET AND OUTLET FLUID CONDUCTING PASSAGES FORMED THEREIN EACH COMMUNICATING WITH SAID PUMPING UNIT; A FIRST ONE WAY FLAPPER VALVE MEMBER ATTACHED AT ONE SIDE THEREOF TO SAID HOUSING AND ADAPTED TO SWING TOWARDS AND AWAY FROM AN INLET PASSAGE BLOCKING POSITION SO AS TO PERMIT ONLY A FLUID INLET FLOW THROUGH SAID INLET PASSAGE TO SAID PUMPING UNIT; AND A SECOND ONE WAY FLAPPER VALVE MEMBER ATTACHED AT ONE SIDE THEREOF TO SAID HOUSING AND ADAPTED TO SWING TOWARDS AND AWAY FROM AN OUTLET PASSAGE BLOCKING POSITION SO AS TO PERMIT ONLY A FLUID OUTLET FLOW THROUGH SAID OUTLET PASSAGE FROM SAID PUMPING UNIT.
Claim 2
Dependent Claim
238 words
A GRAVITY ACTUATED PUMP: COMPRISING A MAIN HOUSING; A SUBSTANTIALLY VERTICALLY DISPOSED SHAFT ROTATABLY MOUNTED IN SAID MAIN HOUSING; A SUBSTANTIALLY HORIZONTALLY DISPOSED PENDULUM SECURED TO SAID SHAFT, SAID PENDULUM BEING FREE TO SWING UNDER THE ACTION OF GRAVITY WHEN SAID HOUSING IS TILTED THEREBY ROTATABLY ACTUATING SAID SHAFT; CRANK MEANS CONNECTED TO SAID SHAFT; AT LEAST ONE PUMPING UNIT DISPOSED IN SAID HOUSING AND OPERATIVELY COUPLED TO SAID CRANK MEANS SO AS TO BE ACTUATED IN RESPONSE TO THE ROTATIONAL MOVEMENT OF SAID SHAFT; SAID PUMPING UNIT COMPRISING A RESILIENT DIAPHRAGM THAT SEALINGLY COVERS ONE END OF A BORE FORMED IN SAID HOUSING, AND A CONNECTING ROD SECURED AT ONE TO THE CENTRAL PORTION OF SAID DIAPHRAGM AND COUPLED AT THE OTHER EFFECTIVE END THEREOF TO SAID CRANK MEANS; SAID HOUSING HAVING INLET AND OUTLET FLUID CONDUCTING PASSAGES FORMED THEREIN EACH COMMUNICATING WITH SAID PUMPING UNIT; A FIRST ONE WAY FLAPPER VALVE MEMBER ATTACHED AT ONE SIDE THEREOF TO SAID HOUSING AND ADAPTED TO SWING TOWARDS AND AWAY FROM AN INLET PASSAGE BLOCKING POSITION SO AS TO PERMIT ONLY A FLUID INLET FLOW THROUGH SAID INLET PASSAGE TO SAID PUMPING UNIT; AND A SECOND ONE WAY FLAPPER VALVE MEMBER ATTACHED AT ONE SIDE THEREOF TO SAID HOUSING AND ADAPTED TO SWING TOWARDS AND AWAY FROM AN OUTLET PASSAGE BLOCKING POSITION SO AS TO PERMIT ONLY A FLUID OUTLET FLOW THROUGH SAID OUTLET PASSAGE FROM SAID PUMPING UNIT.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |