Patent US2420273A successfully refreshed from Google Patents.
US2835323A
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Fuel systems for internal combustion engines and gas turbines
Assignee: GE Healthcare UK Ltd
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Filing: 1954-10-14
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Granted: 1958-05-20
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Expires: 1974-10-14
Abstract
No abstract record available.
Inventors
- 👤 Booth Douglas Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:19
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/02; F02; F02C; F02C7/00; F02C7/22; F02C7/236; F02M; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163
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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |