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US2597559A
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Electromagnetically operated mechanism using resonance effects
Assignee: Individual
•
Filing: 1949-07-18
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Granted: 1952-05-20
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Expires: 1969-07-18
Abstract
No abstract record available.
Inventors
- 👤 Bekey Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:59
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/42; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8691; Y10T83/8765; Y10T83/8766; Y10T83/8768
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US956312A
Cited
DE602989C
Cited
GB379711A
Cited
US2040677A
Cited
US2476419A
Cited
US2364420A
Cited
US2495598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |