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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
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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.

References Cited (Backward Citations)

US1079312A Cited
US1043861A Cited
US1546538A Cited
US1611141A Cited
US1941823A Cited
DE712799C Cited
US2408767A Cited
US2572875A Cited
US2561438A Cited
US2615426A Cited

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

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