US3512073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuit for indicating the blowing of fuses
Assignee: Westinghouse Electric Corp
•
Filing: 1968-10-28
•
Granted: 1970-05-12
•
Expires: 1988-10-28
Abstract
No abstract record available.
Inventors
- 👤 William H South
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:46
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/34; G01R31/343; H; H02; H02H; H02H3/00; H02H3/02; H02H3/04; H02H3/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2882521A
Cited
US2813243A
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US3047848A
Cited
US2930961A
Cited
US3031653A
Cited
US3045167A
Cited
US3045224A
Cited
US3045168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |