Patent US2858075A successfully refreshed from Google Patents.
US2858075A
Expired / Lapsed
US
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Air conditioning control system
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1954-01-20
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Granted: 1958-10-28
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Expires: 1974-01-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest G Le May
- 👤 John E Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:32
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/06; B64D2013/0603; B64D2013/0666; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452; Y10T137/7722; Y10T137/7758; Y10T137/7759
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1813401A
Cited
US2264511A
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US1763666A
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US1988348A
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US2117800A
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US2311848A
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US2425000A
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US2519475A
Cited
US2644641A
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GB696712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |