US2906945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for effecting an electric control in response to a magnetic field
Assignee: Siemens Schuckertwerke AG
•
Filing: 1953-11-12
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Granted: 1959-09-29
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Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Weiss Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/06; G01R33/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1998952A
Cited
US2562120A
Cited
GB659653A
Cited
US2551265A
Cited
US2663843A
Cited
US2649569A
Cited
US2798989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |