Patent US2582848A successfully refreshed from Google Patents.
US2582848A
Expired / Lapsed
US
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Aircraft power plant and cabin pressurizing system
Assignee: Lockheed Martin Corp
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Filing: 1945-02-02
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Granted: 1952-01-15
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Expires: 1965-02-02
Abstract
No abstract record available.
Inventors
- 👤 Nathan C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:23
CPC Classifications
B; B64; B64C; B64C21/00; B64C21/02; B64C21/025; B64C21/08; B64D; B64D13/00; B64D13/02; B64D13/04; B64C2230/00; B64C2230/04; B64C2230/06; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1781062A
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US1779160A
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US2085761A
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US2063477A
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US2191289A
Cited
GB526104A
Cited
US2328489A
Cited
US2233031A
Cited
US2309064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |