US2976679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular rocket combustion chamber
Assignee: ROBERT C VEIT
•
Filing: 1956-12-10
•
Granted: 1961-03-28
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 John E Dalgleish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:29
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49346; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310130A
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US840271A
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US1622664A
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US1935659A
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US2544419A
Cited
US2674783A
Cited
US2880577A
Cited
US2844939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |