US2563441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-voltage cell structure
Assignee: ITE Circuit Breaker Co
•
Filing: 1947-12-20
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Granted: 1951-08-07
•
Expires: 1967-12-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Wood
- 👤 George W Spicer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:21
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/133; H02B11/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1966218A
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US1885365A
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US2041112A
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US2077160A
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US2121610A
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US2164660A
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US2269617A
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US2319415A
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US2363364A
Cited
US2359247A
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US2345033A
Cited
US2394060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |