Patent US2592949A successfully refreshed from Google Patents.
US2592949A
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Assignee: North American Aviation Corp
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Filing: 1946-12-30
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Granted: 1952-04-15
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Expires: 1966-12-30
Abstract
No abstract record available.
Inventors
- 👤 Philipson Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:19
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/088; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US143280A
Cited
US1336030A
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US1503782A
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US1747592A
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US1821096A
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US1903093A
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US1865007A
Cited
US2069443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |