US3101574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton picker spindle sharpener
Assignee: Individual
•
Filing: 1962-08-06
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Granted: 1963-08-27
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Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur C West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:42
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A COTTON PICKER SPINDLE SHARPENER COMPRISING, (A) A HOLDER ADAPTED TO RECEIVE A SPINDLE TO BE SHARPENED AND HAVING A TAPERED RECESS THEREIN WHICH CORRESPONDS GENERALLY TO THE OUTER SURFACE OF THE SPINDLE TO BE SHARPENED, (B) THERE BEING AN OUTWARDLY OPENING, LONGITUDINALLY EXTENDING SLOT IN SAID HOLDER EXTENDING FROM THE EXTERIOR OF THE HOLDER TO SAID TAPERED RECESS THEREIN IN POSITION TO EXPOSE A LONGITUDINALLY EXTENDING PORTION OF THE SPINDLE TO BE SHARPENED, (C) MEANS TO LOCK A SPINDLE TO BE SHARPENED IN SAID RECESS TO RETAIN THE SPINDLE IN A PREDETERMINED FIXED POSITION RELATIVE TO SAID HOLDER, (D) A ROTARY SHARPENING TOOL IN ALIGNMENT WITH SAID LONGITUDINALLY EXTENDING SLOT AND DISPOSED TO MAKE A LONGITUDINALLY EXTENDING CUT IN A SPINDLE TO BE SHARPENED WHILE THE SPINDLE IS LOCKED WITHIN SAID HOLDER, (E) MEANS HOLDING SAID SHARPENING TOOL AND SAID HOLDER AT SELECTED POSITIONS RELATIVE TO EACH OTHER TO PLACE SAID SHARPENING TOOL IN LONGITUDINAL ALIGNMENT WITH SAID LONGITUDINALLY EXTENDING SLOT, AND (F) MEANS TO IMPART RELATIVE MOVEMENT BETWEEN SAID HOLDER AND SAID SHARPENING TOOL TO THEREBY MAKE SAID LONGITUDINALLY EXTENDING CUT IN A SPINDLE TO BE SHARPENED.
Claim 2
Dependent Claim
189 words
A COTTON PICKER SPINDLE SHARPENER COMPRISING, (A) A HOLDER ADAPTED TO RECEIVE A SPINDLE TO BE SHARPENED AND HAVING A TAPERED RECESS THEREIN WHICH CORRESPONDS GENERALLY TO THE OUTER SURFACE OF THE SPINDLE TO BE SHARPENED, (B) THERE BEING AN OUTWARDLY OPENING, LONGITUDINALLY EXTENDING SLOT IN SAID HOLDER EXTENDING FROM THE EXTERIOR OF THE HOLDER TO SAID TAPERED RECESS THEREIN IN POSITION TO EXPOSE A LONGITUDINALLY EXTENDING PORTION OF THE SPINDLE TO BE SHARPENED, (C) MEANS TO LOCK A SPINDLE TO BE SHARPENED IN SAID RECESS TO RETAIN THE SPINDLE IN A PREDETERMINED FIXED POSITION RELATIVE TO SAID HOLDER, (D) A ROTARY SHARPENING TOOL IN ALIGNMENT WITH SAID LONGITUDINALLY EXTENDING SLOT AND DISPOSED TO MAKE A LONGITUDINALLY EXTENDING CUT IN A SPINDLE TO BE SHARPENED WHILE THE SPINDLE IS LOCKED WITHIN SAID HOLDER, (E) MEANS HOLDING SAID SHARPENING TOOL AND SAID HOLDER AT SELECTED POSITIONS RELATIVE TO EACH OTHER TO PLACE SAID SHARPENING TOOL IN LONGITUDINAL ALIGNMENT WITH SAID LONGITUDINALLY EXTENDING SLOT, AND (F) MEANS TO IMPART RELATIVE MOVEMENT BETWEEN SAID HOLDER AND SAID SHARPENING TOOL TO THEREBY MAKE SAID LONGITUDINALLY EXTENDING CUT IN A SPINDLE TO BE SHARPENED.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |