US2633146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pulsation dampener and pressure regulator
Assignee: Individual
•
Filing: 1947-03-21
•
Granted: 1953-03-31
•
Expires: 1967-03-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Witt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:07
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0011; F02M37/0041; F02M37/0023; F02M37/0029; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7822; Y10T137/7828; Y10T137/794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1148922A
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US1458485A
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US1781054A
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US1637085A
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US1705042A
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US1996590A
Cited
US2069808A
Cited
US2136959A
Cited
US2072350A
Cited
US2377607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |