US2595872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic power device
Assignee: Magnetic Power Inc
•
Filing: 1949-09-21
•
Granted: 1952-05-06
•
Expires: 1969-09-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:43
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/36; B24B3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US591395A
Cited
US621204A
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US1109945A
Cited
US2097944A
Cited
US2225206A
Cited
US2356784A
Cited
US2350534A
Cited
US2479986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |