US2641636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bus duct and plug-in unit
Assignee: Westinghouse Electric Corp
•
Filing: 1949-12-10
•
Granted: 1953-06-09
•
Expires: 1969-12-10
Abstract
No abstract record available.
Inventors
- 👤 William F Born
- 👤 Joseph C Langaunet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:25
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1710258A
Cited
US1900595A
Cited
US1954186A
Cited
US2083105A
Cited
US2361179A
Cited
US2466930A
Cited
US2492490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |