Patent US2587399A successfully refreshed from Google Patents.
US2587399A
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US
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Momentary contact electric switch
Assignee: General Electric Co
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Filing: 1948-12-13
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Granted: 1952-02-26
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Expires: 1968-12-13
Abstract
No abstract record available.
Inventors
- 👤 Robert E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US421340A
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US480683A
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US503688A
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US1318478A
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US1614887A
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US1683988A
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US2025981A
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US2291159A
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US2469650A
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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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |