US3134365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric pencil sharpener
Assignee: Panasonic Holdings Corp
•
Filing: 1961-07-13
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Granted: 1964-05-26
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Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hori Takeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:09
CPC Classifications
B; B43; B43L; B43L23/00; B43L23/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
195 words
AN ELECTRIC PENCIL SHARPENER COMPRISING A PENCIL CUTTING MECHANISM INCLUDING: A FRAME, A DRIVE MOTOR, SUPPORTED BY THE FRAME, A SWITCH FOR CONTROLLING SAID MOTOR AND OPERABLE TO CLOSE UPON INSERTION OF A PENCIL INTO THE SHARPENER AND TO OPEN UPON REMOVAL OF THE PENCIL THEREFROM, A CUTTER HOLDER ROTATABLY MOUNTED ON THE FRAME, SPEED REDUCTION GEARING BETWEEN THE MOTOR AND HOLDER FOR DRIVING THE LATTER, AN INTERNAL GEAR SECURED TO SAID FRAME, AND A CUTTER INCLUDING A PINION GEAR HELD IN MESHING ENGAGEMENT WITH SAID INTERNAL GEAR AND CARRIED ON SAID CUTTER HOLDER AT AN ANGLE TO THE AXIS OF ROTATION THEREOF, WHEREBY UPON ENERGIZATION OF SAID DRIVE MOTOR SAID CUTTER ROTATES ABOUT ITS OWN AXIS WHILE REVOLVING BODILY ABOUT THE AXIS OF THE PENCIL INSERTED IN SAID CUTTER HOLDER; AND A DEVICE FOR INDICATING THE COMPLETION OF THE PENCIL SHARPENING OPERATION INCLUDING: AN INDICATOR FOR INDICATING THE COMPLETION OF THE PENCIL SHARPENING OPERATION, AND AN INDICATOR SWITCH FOR OPERATING SAID INDICATOR AND INCLUDING AN OPERATING ROD SLIDABLY FITTED IN AN AXIAL BORE EXTENDING THROUGH THE SHAFT PORTION OF SAID CUTTER HOLDER AND OPERABLE FOR AXIAL SLIDING MOVEMENT BY THE PENCIL POINT BEING FINISHED.
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |