Patent JPS5591418A successfully refreshed from Google Patents.
US2855017A
Expired / Lapsed
US
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Device for adjusting the relative position of the contacts in a glass enclosed contact switch
Assignee: AT&T Inc
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Filing: 1954-12-28
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Granted: 1958-10-07
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Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Pollard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:14
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/327; G01R31/3277; G01R31/3278; H; H01; H01H; H01H11/00; H01H11/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2364989A
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US2418686A
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US2490741A
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US2557947A
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US2577602A
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US2526915A
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US2666892A
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US2677100A
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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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |