US2637273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply system
Assignee: HM Hobson Ltd
•
Filing: 1950-12-29
•
Granted: 1953-05-05
•
Expires: 1970-12-29
Abstract
No abstract record available.
Inventors
- 👤 Stokes Philip Harold
- 👤 Avenell Archibald Arthur
- 👤 Mitchell Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:55
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/30; F41G7/301; F02; F02K; F02K9/00; F02K9/80; F42; F42B; F42B10/00; F42B10/60; F42B10/66; F42B10/663; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0923; Y10T137/0947
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1385257A
Cited
US2396321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |