US2494213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated switch assembly
Assignee: Bendix Aviation Corp
•
Filing: 1946-02-27
•
Granted: 1950-01-10
•
Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harcourt M Sylvester
- 👤 Edward I Rusk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:49
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19309E
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US351660A
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AU301531A
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US1918880A
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US1958297A
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GB404470A
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US2074895A
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US2138404A
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US2216201A
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US2110134A
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US2091839A
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US2253629A
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US2177377A
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US2164821A
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US2249208A
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US2275556A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |