US2844768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic operator
Assignee: Baso Inc
•
Filing: 1953-03-16
•
Granted: 1958-07-22
•
Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 Adolph J Hilgert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:17
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/22; H01H47/26; F; F23; F23N; F23N5/00; F23N5/02; F23N5/10; F23N5/105; H01H50/00; H01H50/64; H01H50/68; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1576768A
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US1700041A
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US1753726A
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US2172678A
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US2316170A
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US2349443A
Cited
US2506234A
Cited
US2596409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |