US3500639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chamber mounting means
Assignee: General Electric Co
•
Filing: 1968-09-10
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Granted: 1970-03-17
•
Expires: 1988-09-10
Abstract
No abstract record available.
Inventors
- 👤 Edward I Stamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:32
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/60; F23R3/46; F23R3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2611243A
Cited
US2575889A
Cited
GB686382A
Cited
US2711072A
Cited
US2760338A
Cited
US3119234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |