US3306838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electrical stock removal
Assignee: Motors Liquidation Co
•
Filing: 1963-12-11
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Granted: 1967-02-28
•
Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 Roger W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:33
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A CUTTING TOOL ELECTRODE FOR ELECTRICALLY REMOVING STOCK FROM THE WORKPIECE COMPRISING AN ELONGATED FLEXIBLE BODY HAVING A CONDUCTIVE MACHINING END THEREON AND EXTENDING PREDOMINANTLY IN A ONE-DIRECTION POSITION AND MEANS CARRIED WITHIN THE BODY AND ADJUSTABLE EXTERNALLY OF THE BODY FOR DEFLECTING THE BODY FROM THE POSITION A PREDETERMINED ANGULAR AMOUNT FOR GENERATING A CURVED SURFACE IN THE WORKPIECE, THE BODY BEING ROTATABLE SO AS
Claim 2
Dependent Claim
66 words
A CUTTING TOOL ELECTRODE FOR ELECTRICALLY REMOVING STOCK FROM THE WORKPIECE COMPRISING AN ELONGATED FLEXIBLE BODY HAVING A CONDUCTIVE MACHINING END THEREON AND EXTENDING PREDOMINANTLY IN A ONE-DIRECTION POSITION AND MEANS CARRIED WITHIN THE BODY AND ADJUSTABLE EXTERNALLY OF THE BODY FOR DEFLECTING THE BODY FROM THE POSITION A PREDETERMINED ANGULAR AMOUNT FOR GENERATING A CURVED SURFACE IN THE WORKPIECE, THE BODY BEING ROTATABLE SO AS
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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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |