US1935228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit breaker
Assignee: BBC Brown Boveri AG Germany
•
Filing: 1931-12-07
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Granted: 1933-11-14
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Expires: 1951-12-07
Abstract
No abstract record available.
Inventors
- 👤 Kopeliowitsch Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:56
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66207; H01B; H01B17/00; H01B17/005; H01B17/26; H01H2033/6623; H02; H02B; H02B13/00; H02B13/02; H02B13/035; H02B13/0354; Y; Y10; Y10S; Y10S174/00; Y10S174/01; Y10S174/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-11-13 | 1937-05-15 | 1937-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-13 | 1941-05-15 | 1941-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-13 | 1945-05-15 | 1945-11-14 | $7700.00 | Window Closed / Lapsed |