US2848186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle valve assembly
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1953-10-29
•
Granted: 1958-08-19
•
Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Frank C Bayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:45
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US654009A
Cited
US1272384A
Cited
US2023627A
Cited
US2042391A
Cited
US2193701A
Cited
US2520430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |