US3381471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chamber for gas turbine engines
Assignee: Individual
•
Filing: 1965-10-22
•
Granted: 1968-05-07
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Szydlowski Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/045; F23R3/28; F23R3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1084087B
Cited
US2856755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |