Patent US3056067A successfully refreshed from Google Patents.
US3056067A
Expired / Lapsed
US
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Polyphase circuit breaker system
Assignee: THEODORE L MIAZGA
•
Filing: 1960-02-05
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Granted: 1962-09-25
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Expires: 1980-02-05
Abstract
No abstract record available.
Inventors
- 👤 William F Luber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:18
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/08; H02H7/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2930938A
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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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |