Patent US2442488A successfully refreshed from Google Patents.
US2442488A
Expired / Lapsed
US
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Fuel injection pump
Assignee: Individual
•
Filing: 1943-11-15
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Granted: 1948-06-01
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Expires: 1963-11-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin M Fisk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:42
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; F02M61/06; F02M59/00; F02M59/20; F02M59/30; F23; F23D; F23D11/00; F23D11/36; F23D11/38; F02M2700/00; F02M2700/07; F02M2700/074; F02M2700/13; F02M2700/1317; F02M2700/1376
Claims Analysis
Total Claims: 0
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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) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |