US2625010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for preventing internal-combustion turbine units from icing
Assignee: Armstrong Siddeley Motors Ltd
•
Filing: 1947-12-17
•
Granted: 1953-01-13
•
Expires: 1967-12-17
Abstract
No abstract record available.
Inventors
- 👤 Clark Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:04
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924122A
Cited
US2425630A
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US2409177A
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US2379455A
Cited
US2393792A
Cited
US2404275A
Cited
GB586572A
Cited
US2435990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |