US2648803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cascaded breaker system
Assignee: ITE Circuit Breaker Co
•
Filing: 1950-03-29
•
Granted: 1953-08-11
•
Expires: 1970-03-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:33
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/26; H02H7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US799790A
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US1124599A
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US1253207A
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US1530443A
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US1763258A
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US1790193A
Cited
US2488745A
Cited
US2451962A
Cited
US2486613A
Cited
US2617861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |