Patent US3541391A successfully refreshed from Google Patents.
US3541391A
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US
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Overload protection device for an electric multi-range measuring instrument
Assignee: BBC Brown Boveri AG Germany
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Filing: 1967-09-20
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Granted: 1970-11-17
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Expires: 1987-09-20
Abstract
No abstract record available.
Inventors
- 👤 Hans Ritscherle
- 👤 Herbert Gartler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:34
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/36; H01H73/44; G; G01; G01R; G01R1/00; G01R1/36; H01H13/00; H01H13/70; H01H13/72; H01H13/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |