Patent US2878332A successfully refreshed from Google Patents.
US2878332A
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Multiple circuit breaker
Assignee: ZINSCO ELECTRICAL PRODUCTS
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Filing: 1958-01-30
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Granted: 1959-03-17
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Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 Ross E Locher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:36
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/1027; H01H73/00; H01H73/22; H01H73/24; Y; Y10; Y10S; Y10S200/00; Y10S200/06; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20576; Y10T74/20732; Y10T74/20738
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |