Patent US2445561A successfully refreshed from Google Patents.
US2445561A
Expired / Lapsed
US
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Electromagnetic actuator
Assignee: Borg Warner Corp
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Filing: 1942-10-07
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Granted: 1948-07-20
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Expires: 1962-10-07
Abstract
No abstract record available.
Inventors
- 👤 Harold E Carnagua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:12
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/08; G05D13/10
Claims Analysis
Total Claims: 0
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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) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |