US2529915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating and antifreezing apparatus for aircraft
Assignee: Chausson Usines SA
•
Filing: 1946-07-17
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Granted: 1950-11-14
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Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 Chausson Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:00
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D15/0266; B; B64; B64D; B64D13/00; B64D13/06; B64D13/08; F01; F01N; F01N5/00; F28D15/0233; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/26; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |