US2678657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel distributing apparatus
Assignee: Curtiss Wright Corp
•
Filing: 1948-04-08
•
Granted: 1954-05-18
•
Expires: 1968-04-08
Abstract
No abstract record available.
Inventors
- 👤 William C Schaffer
- 👤 William T Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:30
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C7/228; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/8593
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US705890A
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US1937367A
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US2185015A
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US2291578A
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US2404334A
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US2400485A
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US2344465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |