US2635637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined electromagnetic control device with small travel armature and motion increasing means therefor
Assignee: Milwaukee Gas Specialty Co
•
Filing: 1949-04-22
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Granted: 1953-04-21
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Expires: 1969-04-22
Abstract
No abstract record available.
Inventors
- 👤 Karrer Sebastian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23N5/107; F23N2235/00; F23N2235/12; F23N2235/14; F23N2235/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1737649A
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US1805802A
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US1735964A
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US2266185A
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US2292478A
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US2393427A
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US2409112A
Cited
US2399020A
Cited
US2456869A
Cited
US2484110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |