US3307254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting and burnishing tool
Assignee: OK Tool Co Inc
•
Filing: 1965-04-05
•
Granted: 1967-03-07
•
Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Thurston V Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:18
CPC Classifications
B; B24; B24B; B24B39/00; B24B39/003; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T407/00; Y10T407/10; Y10T407/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
FOR CUTTING AND BURNISHING A WORK SURFACE, A TOOL COMPRISING A ROTARY HEAD HAVING A DRIVING SHAFT AT ONE END AND RECESSES DISTRIBUTED AROUND THE OTHER END, RADIALLY DISPOSED CUTTER BLADES PROJECTING FROM RECURRENT RECESSES AND RADIALLY DISPOSED BURNISHING ROLLERS MOUNTED IN INTERMEDIATE RECESSES, AND BRUSHES THAT EXTEND FROM SAID OTHER END AND EACH OF WHICH IS OBLIQUELY DISPOSED BETWEEN ONE OF SAID CUTTER BLADES AND SAID ROLLER THAT FOLLOWS SAID BLADE.
Claim 2
Dependent Claim
72 words
FOR CUTTING AND BURNISHING A WORK SURFACE, A TOOL COMPRISING A ROTARY HEAD HAVING A DRIVING SHAFT AT ONE END AND RECESSES DISTRIBUTED AROUND THE OTHER END, RADIALLY DISPOSED CUTTER BLADES PROJECTING FROM RECURRENT RECESSES AND RADIALLY DISPOSED BURNISHING ROLLERS MOUNTED IN INTERMEDIATE RECESSES, AND BRUSHES THAT EXTEND FROM SAID OTHER END AND EACH OF WHICH IS OBLIQUELY DISPOSED BETWEEN ONE OF SAID CUTTER BLADES AND SAID ROLLER THAT FOLLOWS SAID BLADE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |