Patent US3581408A successfully refreshed from Google Patents.
US3581408A
Expired / Lapsed
US
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Manual dexterity measuring and training device
Assignee: Individual
•
Filing: 1969-02-04
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Granted: 1971-06-01
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Expires: 1989-02-04
Abstract
Abstract A MANUAL DEXTERITY MEASURING AND TRAINING DEVICE HAVING A SEMI-RIGID ROD FORMING A PATH WHICH MAY BE CHANGED. ON THE ROD ARE SLIDABLY MOUNTED ANNULAR OBJECTS WHICH MAY BE MOVED BY HAND OR OTHERWISE. ALSO INCLUDED IN THE INVENTION IS A PLATE WHICH MAY REMOVE RELATIVE TO THE ROD AND ANNULAR OBJECTS.
Inventors
- 👤 Jacques Emile Mohier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:51
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/08; A63F9/0876; A63F7/00; A63F7/22; A63F7/36; A63F7/40; A63F2007/4081; A63F9/0666
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |