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Patent US2988650A successfully refreshed from Google Patents.
US2988650A
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Hall-effect control element with utilization circuit
Assignee: Siemens Schuckertwerke AG
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Filing: 1954-11-10
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Granted: 1961-06-13
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Expires: 1974-11-10
Abstract
No abstract record available.
Inventors
- 👤 Weiss Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/325; Y; Y10; Y10S; Y10S310/00; Y10S310/03; Y10S73/00; Y10S73/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2553490A
Cited
US2545369A
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US2550492A
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US2798989A
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US2649574A
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US2736822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |