Patent US2594088A successfully refreshed from Google Patents.
US2594088A
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US
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Polarized relay construction
Assignee: Westinghouse Electric Corp
•
Filing: 1950-05-05
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Granted: 1952-04-22
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Expires: 1970-05-05
Abstract
No abstract record available.
Inventors
- 👤 William K Sonnemann
- 👤 Riesz Kolman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:22
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2236; H01H51/2245; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/928; Y10S411/929; Y10S411/941
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322097A
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US1680667A
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US1593582A
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US1875664A
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FR728982A
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US1920818A
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US1975652A
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US2074084A
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US2057605A
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US2140139A
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US2511114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |