US2480495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure actuated switch
Assignee: ACROTEC Corp
•
Filing: 1945-02-22
•
Granted: 1949-08-30
•
Expires: 1965-02-22
Abstract
No abstract record available.
Inventors
- 👤 Jacques G Mejean
- 👤 Donald V Healy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:35
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2635
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1423880A
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US1616519A
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US1978862A
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US1960020A
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US2033417A
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US2033410A
Cited
US2170767A
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US2283175A
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US2374986A
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US2376144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |