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Patent US2446497A successfully refreshed from Google Patents.
US2446497A
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Fuel injection apparatus
Assignee: Timken Co
•
Filing: 1943-08-28
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Granted: 1948-08-03
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Expires: 1963-08-28
Abstract
No abstract record available.
Inventors
- 👤 Alden P Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:53
CPC Classifications
F; F02; F02M; F02M41/00; F02M41/02; F02M41/06; F02M41/063; F02M41/066; F02D; F02D1/00; F02D1/16; F02D1/162; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1825443A
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GB404252A
Cited
US2031625A
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CH172164A
Cited
US2233934A
Cited
US2165447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-03 | 1952-02-02 | 1952-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-03 | 1956-02-02 | 1956-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-03 | 1960-02-02 | 1960-08-03 | $7700.00 | Window Closed / Lapsed |