US2455753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal circuit breaker
Assignee: Trumbull Electric Manufacturing Co
•
Filing: 1944-10-10
•
Granted: 1948-12-07
•
Expires: 1964-10-10
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Getchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:30
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB242726A
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US1952040A
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US1954588A
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US2237262A
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US2224885A
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US2284825A
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US2284383A
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US2308401A
Cited
US2315633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-07 | 1952-06-07 | 1952-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-07 | 1956-06-07 | 1956-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-07 | 1960-06-07 | 1960-12-07 | $7700.00 | Window Closed / Lapsed |