US2977754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket chamber with multi-pass axial flow coolant passageways
Assignee: ATK Launch Systems LLC
•
Filing: 1958-01-29
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Granted: 1961-04-04
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Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold S Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB459924A
Cited
US2705399A
Cited
US2838961A
Cited
US2880577A
Cited
US2844939A
Cited
US2951336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |