US2615146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic switch
Assignee: General Electric Vapor Lamp Co
•
Filing: 1948-02-11
•
Granted: 1952-10-21
•
Expires: 1968-02-11
Abstract
No abstract record available.
Inventors
- 👤 Michel E Macksoud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:57
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1675370A
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US1701757A
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US1583496A
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US1838372A
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US2056631A
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US2116681A
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US2152995A
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US2240333A
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US2304018A
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US2332492A
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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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |