US2453314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power distribution system of the bus bar duct type
Assignee: Trumbull Electric Manufacturing Co
•
Filing: 1947-10-16
•
Granted: 1948-11-09
•
Expires: 1967-10-16
Abstract
No abstract record available.
Inventors
- 👤 Hammerly Herman John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:55
CPC Classifications
H; H01; H01R; H01R25/00; H01R25/14; H01R13/00; H01R13/66; H01R13/68; H02; H02G; H02G5/00; H02G5/06; H02G5/08; H01R25/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2107412A
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US2318861A
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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) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |