Patent US3335641A successfully refreshed from Google Patents.
US3335641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pump with crimped cover seal
Assignee: Motors Liquidation Co
•
Filing: 1966-01-19
•
Granted: 1967-08-15
•
Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Toschkoff Dimitar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:13
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; 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
102 words
A FUEL PUMP COMPRISING A FLUID TIGHT CASING OF THREE PARTS, ONE OF SAID PARTS HAVING A RIGID PERIPHERAL FLANGE, THE SECOND AND THIRD OF SAID PARTS BEING OF SHEET METAL, AN ANNULAR RECESS WITH A RADIALLY CURVED WALL FORMED IN SAID RIGID FLANGE, A PUMPING DIAPHRAGM OF FLEXIBLE RELATIVELY SOFT MATERIAL AND HAVING A DIAMETER GREATER THAN THAT OF SAID SECOND PART, SAID DIAPHRAGM HAVING TWO ADJACENT ANNULAR CLAMPED PORTIONS, ONE OF SAID CLAMPED PORTIONS BEING RETAINED IN SAID RECESS BY SAID SECOND PART TO FORM ONE ANNULAR SEALING ZONE, THE OTHER OF SAID CLAMPED PORTIONS BEING BETWEEN SAID FLANGE AND
Claim 2
Dependent Claim
102 words
A FUEL PUMP COMPRISING A FLUID TIGHT CASING OF THREE PARTS, ONE OF SAID PARTS HAVING A RIGID PERIPHERAL FLANGE, THE SECOND AND THIRD OF SAID PARTS BEING OF SHEET METAL, AN ANNULAR RECESS WITH A RADIALLY CURVED WALL FORMED IN SAID RIGID FLANGE, A PUMPING DIAPHRAGM OF FLEXIBLE RELATIVELY SOFT MATERIAL AND HAVING A DIAMETER GREATER THAN THAT OF SAID SECOND PART, SAID DIAPHRAGM HAVING TWO ADJACENT ANNULAR CLAMPED PORTIONS, ONE OF SAID CLAMPED PORTIONS BEING RETAINED IN SAID RECESS BY SAID SECOND PART TO FORM ONE ANNULAR SEALING ZONE, THE OTHER OF SAID CLAMPED PORTIONS BEING BETWEEN SAID FLANGE AND
References Cited (Backward Citations)
US1703531A
Cited
US2834299A
Cited
US2959131A
Cited
US2905097A
Cited
US3115162A
Cited
US3304880A
Cited
US3278032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |