Patent US3190665A successfully refreshed from Google Patents.
US3190665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key operated chuck
Assignee: Individual
•
Filing: 1963-07-11
•
Granted: 1965-06-22
•
Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Sztricsko Janos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:05
CPC Classifications
B; B25; B25B; B25B33/00; B25B33/005; Y; Y10; Y10T; Y10T279/00; Y10T279/34; Y10T279/3431
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A KEY FOR A CHUCK HAVING A CIRCULAR BODY WITH A CYLINDRICAL WALL, AT LEAST ONE RADIAL BORE IN THE WALL AND A RING GEAR DISPOSED ABOUT THE WALL FOR TIGHTENING THE CHUCK , SAID KEY COMPRISING A RING ADAPTED TO FIT OVER AND SUBSTANTIALLY ENCIRCLE THE CIRCULAR BODY AND ENGAGE THE RING GEAR, SAID RING HAVING AN INNER CYLINDRICAL FACE ADAPTED TO SNUGLY FIT THE CYLINDRICAL WALL AND TO EXTEND FROM THE LEVEL OF THE GEAR ABOVE THE LEVEL OF THE BORE,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |