US2783299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weather-and pressure-tight enclosure for isolated phase bus bar
Assignee: ITE Circuit Breaker Co
•
Filing: 1953-01-12
•
Granted: 1957-02-26
•
Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Walter H Schymik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:10
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1752475A
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US2044580A
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US2293310A
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US2452847A
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US2454838A
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US2422502A
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US2469445A
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US2531017A
Cited
US2532773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |