US2798769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel injectors
Assignee: MRS CLARE H WHITSON
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Filing: 1956-09-27
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Granted: 1957-07-09
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Expires: 1976-09-27
Abstract
No abstract record available.
Inventors
- 👤 John W Whitson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:11
CPC Classifications
F; F02; F02M; F02M51/00; F02M51/06; F02M51/061; F02M51/0625; F02M51/0664; F02M51/0685; F02M51/0614; F02M51/0617; F02M51/0671; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |