US3223045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump
Assignee: Old Carco LLC
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Filing: 1959-05-04
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Granted: 1965-12-14
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Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 William H Shope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:19
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4388; F02M2700/439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A FLUID PUMP COMPRISING A HOUSING HAVING AN INLET PORT AND AN EXHAUST PORT THEREIN, VALVE MEANS IN EACH SAID PORT FOR PREVENTING FLUID FLOW THERETHROUGH IN ONE DIRECTION, PERIPHERAL AND INNER SHOULDER MEANS ON SAID HOUSING, ANNULAR DIAPHRAGM MEANS SECURED TO SAID HOUSING ALONG SAID PERIPHERAL SHOULDER MEANS AND SAID INNER SHOULDER MEANS AND FORMING AN ANNULAR FLUID TIGHT CHAMBER COMMUNICATING WITH SAID INLET AND EXHAUST PORTS, A RIGID SUPPORT EXTENDED OVER AND AFFIXED SNUGLY TO A MAJOR PORTION OF SAID DIAPHRAGM MEANS THEREBY MAKING THE MAJOR PORTION OF SAID DIAPHRAGM MEANS SUBSTANTIALLY INFLEXIBLE WHILE PROVIDING FLEXIBLE PORTIONS ADJACENT EACH SAID SHOULDER MEANS, ACTUATING MEANS RECIPROCABLY MOUNTED IN SAID HOUSING, SAID ACTUATING MEANS PASSING THROUGH THE ANNULUS OF SAID DIAPHARGM MEANS AND HAVING SHOULDER MEANS ADAPTED FOR ABUTTING AND EXERTING AN ACTUATING FORCE ON SAID RIGID SUPPORT TO MOVE THE SAME AND SAID DIAPHRAGM MEANS WITH RESPECT TO SAID INLET AND EXHAUST PORTS, AND RESILIENT MEANS EXERTING A REACTION FORCE ON SAID DIAPHRAGM MEANS IN A DIRECTION OPPOSING SAID ACTUATING FORCE TO PRESSURIZED THE FLUID WITHIN SAID PUMP.
Claim 2
Dependent Claim
179 words
A FLUID PUMP COMPRISING A HOUSING HAVING AN INLET PORT AND AN EXHAUST PORT THEREIN, VALVE MEANS IN EACH SAID PORT FOR PREVENTING FLUID FLOW THERETHROUGH IN ONE DIRECTION, PERIPHERAL AND INNER SHOULDER MEANS ON SAID HOUSING, ANNULAR DIAPHRAGM MEANS SECURED TO SAID HOUSING ALONG SAID PERIPHERAL SHOULDER MEANS AND SAID INNER SHOULDER MEANS AND FORMING AN ANNULAR FLUID TIGHT CHAMBER COMMUNICATING WITH SAID INLET AND EXHAUST PORTS, A RIGID SUPPORT EXTENDED OVER AND AFFIXED SNUGLY TO A MAJOR PORTION OF SAID DIAPHRAGM MEANS THEREBY MAKING THE MAJOR PORTION OF SAID DIAPHRAGM MEANS SUBSTANTIALLY INFLEXIBLE WHILE PROVIDING FLEXIBLE PORTIONS ADJACENT EACH SAID SHOULDER MEANS, ACTUATING MEANS RECIPROCABLY MOUNTED IN SAID HOUSING, SAID ACTUATING MEANS PASSING THROUGH THE ANNULUS OF SAID DIAPHARGM MEANS AND HAVING SHOULDER MEANS ADAPTED FOR ABUTTING AND EXERTING AN ACTUATING FORCE ON SAID RIGID SUPPORT TO MOVE THE SAME AND SAID DIAPHRAGM MEANS WITH RESPECT TO SAID INLET AND EXHAUST PORTS, AND RESILIENT MEANS EXERTING A REACTION FORCE ON SAID DIAPHRAGM MEANS IN A DIRECTION OPPOSING SAID ACTUATING FORCE TO PRESSURIZED THE FLUID WITHIN SAID PUMP.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |