US2468614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power distribution apparatus
Assignee: Trumbull Electric Manufacturing Co
•
Filing: 1945-02-12
•
Granted: 1949-04-26
•
Expires: 1965-02-12
Abstract
No abstract record available.
Inventors
- 👤 Elmer T Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:56
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US404877A
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US918845A
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US1203177A
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US1691422A
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US2071713A
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US2097324A
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US2191645A
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US2356006A
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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) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |