Patent US2442030A successfully refreshed from Google Patents.
US2442030A
Expired / Lapsed
US
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Torpedo control switch
Assignee: Westinghouse Electric Corp
•
Filing: 1943-11-24
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Granted: 1948-05-25
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Expires: 1963-11-24
Abstract
No abstract record available.
Inventors
- 👤 Charles C Whittaker
- 👤 Ruel C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:29
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/36; F42B19/38; F42B19/40; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1408221A
Cited
US808022A
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US1530964A
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US1961004A
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US1998805A
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US2096492A
Cited
US2235917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-25 | 1951-11-24 | 1952-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-25 | 1955-11-24 | 1956-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-25 | 1959-11-24 | 1960-05-25 | $7700.00 | Window Closed / Lapsed |