Patent US1854965A successfully refreshed from Google Patents.
US1854965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protection of electric systems
Assignee: General Electric Co
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Filing: 1930-09-29
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Granted: 1932-04-19
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Expires: 1950-09-29
Abstract
No abstract record available.
Inventors
- 👤 Oliver C Traver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:41
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/26; H02H7/30
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) | 1935-04-19 | 1935-10-19 | 1936-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-19 | 1939-10-19 | 1940-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-19 | 1943-10-19 | 1944-04-19 | $7700.00 | Window Closed / Lapsed |