US3205622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable grinding and surfacing tool
Assignee: NATIONAL-DETROIT Inc
•
Filing: 1963-02-25
•
Granted: 1965-09-14
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Treffle J Leveque
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:22
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/02; B24B23/03
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
A HAND TOOL FOR SURFACE FINISHING WORKPIECES COMPRISING A MOTOR HAVING A DRIVE SHAFT PROVIDING A PROTRUDING END; A HOUSING RIGIDLY SECURED TO SAID MOTOR, SAID DRIVE SHAFT END EXTENDING INTO SAID HOUSING; A COUPLING MEMBER FIXED TO SAID DRIVE SHAFT END FOR ROTATION THEREWITH; PINION GEAR MEANS MOUNTED FOR ROTATION ON AND WITH RESPECT TO SAID COUPLING MEMBER ABOUT AN AXIS ECCENTRIC TO THE AXIS OF SAID DRIVE SHAFT; RING GEAR MEANS FIXED TO SAID HOUSING IN POSITION TO DRIVINGLY ENGAGE SAID PINION GEAR MEANS AND TO EFFECT ROTATIONAL MOVEMENT OF SAID PINION GEAR MEANS ABOUT ITS AXIS DURING ORBITAL MOVEMENT OF SAID PINION GEAR MEANS ABOUT THE AXIS OF SAID DRIVE SHAFT, THE RATIO OF THE RADIUS OF SAID RING GEAR MEANS TO THE RADIUS OF SAID PINION GEAR MEANS BEING LESS THAN TWO TO ONE; AND A ROTATIONAL WORK PERFORMING MEMBER SECURED FOR ROTATION AND ORBITAL MOVEMENT WITH SAID PINION GEAR.
References Cited (Backward Citations)
US203993A
Cited
US835631A
Cited
US1290980A
Cited
US2178937A
Cited
FR1018929A
Cited
US2794303A
Cited
US3105328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |