Patent US2969444A successfully refreshed from Google Patents.
US2969444A
Expired / Lapsed
US
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Electromagnetically actuated switch
Assignee: Individual
•
Filing: 1956-07-16
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Granted: 1961-01-24
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Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Deissler Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:34
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/643
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1839095A
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US2037662A
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US2232625A
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US2402173A
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US2322574A
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US2394090A
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US2526804A
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US2632822A
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US2519855A
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US2650971A
Cited
US2712580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |