US3048685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breaker support
Assignee: Westinghouse Electric Corp
•
Filing: 1958-10-20
•
Granted: 1962-08-07
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Mrenna
- 👤 John N Groves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:44
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/26; H02B1/40; H02B1/42; H02B1/015; H02B1/04; H02B1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1897954A
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US2050378A
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US2210696A
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US2879491A
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US2904771A
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FR1138301A
Cited
US2831944A
Cited
US2928998A
Cited
US2916675A
Cited
US2933713A
Cited
US2953767A
Cited
US2902665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |