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US2830155A
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Thermal time-delay relay
Assignee: Individual
•
Filing: 1956-05-31
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Granted: 1958-04-08
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Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Mitchell B Smilo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:09
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/56; H01H43/00; H01H43/30; H01H43/301; H01H43/302; H01H43/304; H01H61/00; H01H61/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1523505A
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US1647336A
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US1753945A
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US2235779A
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US2249582A
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US2340158A
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US2700084A
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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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |