US2861664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically controlled device of multiple disc type
Assignee: Carlyle Johnson Machine Co LLC
•
Filing: 1954-08-02
•
Granted: 1958-11-25
•
Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Frank R Simon
- 👤 Richard O Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:27
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/02; F16D27/04; F16D27/08; F16D13/00; F16D13/22; F16D13/38; F16D13/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US681847A
Cited
US747706A
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FR352543A
Cited
US1493513A
Cited
US1826929A
Cited
GB398434A
Cited
US2217357A
Cited
US2375783A
Cited
US2547137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |