US2889494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter circuit protective means
Assignee: Westinghouse Electric Corp
•
Filing: 1954-03-19
•
Granted: 1959-06-02
•
Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 Warren J Schmidt
- 👤 Axman Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:54
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US807963A
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US1545646A
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US2050334A
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US2154411A
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US2163742A
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US2199630A
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US2242838A
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US2290304A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |