US2953345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor dump valve
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1956-10-08
•
Granted: 1960-09-20
•
Expires: 1976-10-08
Abstract
No abstract record available.
Inventors
- 👤 Charles O Slemmons
- 👤 Harry D Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:06
CPC Classifications
F; F16; F16K; F16K39/00; F16K39/04; F16K1/00; F16K1/32; F16K1/34; F16K1/46; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA488194A
Cited
US704402A
Cited
US1635321A
Cited
US1652510A
Cited
FR678371A
Cited
US2293269A
Cited
US2413869A
Cited
US2325802A
Cited
US2395533A
Cited
US2481013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |