US2508685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion gas turbine
Assignee: Individual
•
Filing: 1944-09-12
•
Granted: 1950-05-23
•
Expires: 1964-09-12
Abstract
No abstract record available.
Inventors
- 👤 Adolphe C Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:34
CPC Classifications
F; F02; F02C; F02C3/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1130090A
Cited
US1174439A
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US1298430A
Cited
US1702264A
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US1726104A
Cited
GB290014A
Cited
DE644829C
Cited
US2019879A
Cited
US2256198A
Cited
US2272676A
Cited
US2414830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |