Patent US2468693A successfully refreshed from Google Patents.
US2468693A
Expired / Lapsed
US
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Thermal relay
Assignee: BBC Brown Boveri AG Germany
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Filing: 1944-08-26
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Granted: 1949-04-26
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Expires: 1964-08-26
Abstract
No abstract record available.
Inventors
- 👤 Stoecklin Josef
- 👤 Kach Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:03
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308048A
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US1281482A
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US1477455A
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US1429660A
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US1728038A
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US1699752A
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US1834375A
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US1917163A
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GB412082A
Cited
US2056040A
Cited
US2372498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |