US2718903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot valve assembly for a fuel control unit
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1949-10-08
•
Granted: 1955-09-27
•
Expires: 1969-10-08
Abstract
No abstract record available.
Inventors
- 👤 Noon T Cyril
- 👤 Walter R Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:23
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02K; F02K3/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1044; Y10T137/6416; Y10T137/6552; Y10T137/8593; Y10T137/86493; Y10T137/86549; Y10T137/87096; Y10T137/87121; Y10T137/87129; Y10T137/87137; Y10T137/87917; Y10T137/88022; Y10T137/88046
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |