US2850249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangements for selectively actuating control devices by means of a movable magnet
Assignee: International Standard Electric Corp
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Filing: 1956-02-06
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Granted: 1958-09-02
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Expires: 1976-02-06
Abstract
No abstract record available.
Inventors
- 👤 Uderstadt Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:56
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/02; H01H67/04; H01H67/06; B; B61; B61L; B61L13/00; B65; B65G; B65G51/00; B65G51/04; B65G51/36; B65G51/40; B65G51/42; B65G51/44
Claims Analysis
Total Claims: 0
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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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |