Patent US2675449A successfully refreshed from Google Patents.
US2675449A
Expired / Lapsed
US
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Electrical apparatus
Assignee: Bendix Aviation Corp
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Filing: 1951-04-07
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Granted: 1954-04-13
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Expires: 1971-04-07
Abstract
No abstract record available.
Inventors
- 👤 Rolland M Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:10
CPC Classifications
F; F02; F02P; F02P7/00; F02P7/02; F02P7/021; F02P7/022
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) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |