US2955182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact cooling means for recirculating gas blast interrupters
Assignee: ITE Circuit Breaker Co
•
Filing: 1957-06-21
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Granted: 1960-10-04
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Expires: 1977-06-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Caswell
- 👤 Joseph D Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:29
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/62; H01H9/00; H01H9/02; H01H2009/0292; H01H9/52; H01H2009/526
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US901967A
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DE533476C
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GB367940A
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GB375364A
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DE652721C
Cited
GB582299A
Cited
US2459600A
Cited
GB593230A
Cited
US2611846A
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US2757261A
Cited
GB727258A
Cited
US2766348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |