Patent US2909323A successfully refreshed from Google Patents.
US2909323A
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US
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Aircraft cabin air conditioning system
Assignee: Garrett Corp
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Filing: 1956-05-02
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Granted: 1959-10-20
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Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robert L Cholvin
- 👤 Jr Bernhard C Harvey
- 👤 Raymond W Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:09
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/06; G; G05; G05D; G05D23/00; G05D23/185; G05D23/1858; B64D2013/0603
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |