US3200758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm fuel pump with vent
Assignee: Motors Liquidation Co
•
Filing: 1963-08-15
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Granted: 1965-08-17
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 John L Grabiel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:48
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
105 words
A PUMP HAVING A PUMPING DIAPHRAGM AND A BODY ENCLOSING A SPRING CHAMBER AND A PUMPING CHAMBER SEPARATED BY SAID PUMPING DIAPHRAGM, ONE-WAY VALVES SERVING SAID PUMPING CHAMBER, A ROD IN SAID SPRING CHAMBER AND CONNECTED TO SAID DIAPHRAGM, SEALING MEANS BETWEEN SAID BODY AND SAID ROD AND IN A PLANE NORMAL TO SAID ROD, SPRING MEANS IN SAID SPRING CHAMBER AND ADAPTED TO COOPERATE WITH SAID ROD FOR ACTUARTING SAID DIAPHRAGM, AND A VENT CHANNEL EXTENDING THROUGH THE WALL OF SAID SPRING CHAMBER WITH INSIDE AND OUTSIDE ENDS OF THE CHANNEL ANGULARLY SPACED ABOUT THE AXIS OF THE PUMP DIAPHRAGM AND IN SAID PLANE.
Claim 2
Dependent Claim
105 words
A PUMP HAVING A PUMPING DIAPHRAGM AND A BODY ENCLOSING A SPRING CHAMBER AND A PUMPING CHAMBER SEPARATED BY SAID PUMPING DIAPHRAGM, ONE-WAY VALVES SERVING SAID PUMPING CHAMBER, A ROD IN SAID SPRING CHAMBER AND CONNECTED TO SAID DIAPHRAGM, SEALING MEANS BETWEEN SAID BODY AND SAID ROD AND IN A PLANE NORMAL TO SAID ROD, SPRING MEANS IN SAID SPRING CHAMBER AND ADAPTED TO COOPERATE WITH SAID ROD FOR ACTUARTING SAID DIAPHRAGM, AND A VENT CHANNEL EXTENDING THROUGH THE WALL OF SAID SPRING CHAMBER WITH INSIDE AND OUTSIDE ENDS OF THE CHANNEL ANGULARLY SPACED ABOUT THE AXIS OF THE PUMP DIAPHRAGM AND IN SAID PLANE.
References Cited (Backward Citations)
US1742746A
Cited
US3036524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |