US2722803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling means for combustion chamber cross ignition tubes
Assignee: General Electric Co
•
Filing: 1951-05-23
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Granted: 1955-11-08
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Expires: 1971-05-23
Abstract
No abstract record available.
Inventors
- 👤 William R Travers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:11
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/46; F23R3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2445114A
Cited
US2404335A
Cited
US2437385A
Cited
US2546432A
Cited
US2580962A
Cited
US2525207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |