US2646474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal interlock
Assignee: ITE Circuit Breaker Co
•
Filing: 1949-12-07
•
Granted: 1953-07-21
•
Expires: 1969-12-07
Abstract
No abstract record available.
Inventors
- 👤 Robert L Stratton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/26; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US781134A
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US1250674A
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US1796229A
Cited
US2080964A
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US2258150A
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US2358146A
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US2381243A
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US2531157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |