US2717992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transient surge detector
Assignee: TDK Micronas GmbH
•
Filing: 1951-10-20
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Granted: 1955-09-13
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Expires: 1971-10-20
Abstract
No abstract record available.
Inventors
- 👤 Weintraub Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/04; G01R13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2226459A
Cited
US2118626A
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US2207048A
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US2271876A
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US2408078A
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US2628267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |