US2476886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact construction
Assignee: Westinghouse Electric Corp
•
Filing: 1943-05-29
•
Granted: 1949-07-19
•
Expires: 1963-05-29
Abstract
No abstract record available.
Inventors
- 👤 Miller Stephan
- 👤 Peter A Pontius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:02
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1925856A
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US2181083A
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US2281446A
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US2206662A
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US2271111A
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US2268617A
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US2207134A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |