US2440995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit breaker
Assignee: General Electric Co
•
Filing: 1944-06-10
•
Granted: 1948-05-04
•
Expires: 1964-06-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:11
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1947224A
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US1981404A
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US2144372A
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US2125525A
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US2084885A
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GB480405A
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US2160673A
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US2304529A
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US2313159A
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US2306186A
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US2306242A
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US2303825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |