US3175539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lead and pencil sharpener
Assignee: Faber Castell AG
•
Filing: 1961-10-16
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Granted: 1965-03-30
•
Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Saflund Gote Ragnar
- 👤 Schwarzaugl Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:43
CPC Classifications
B; B43; B43L; B43L23/00; B43L23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PENCIL SHARPENER COMPRISING A BASE, A MOTOR MOUNTED ON SAID BASE, A PINION FIXED TO THE SHAFT OF SAID MOTOR, A COVER, MEANS REMOVABLY MOUNTING SAID COVER IN FIXED POSITION ON AND WITH RESPECT TO SAID BASE, A CUTTER HEAD JOURNALED IN SAID COVER FOR ROTATION RELATIVELY TO SAID COVER ABOUT A FIXED AXIS PARALLEL WITH AND OFFSET FROM THE AXIS OF SAID SHAFT, A GEAR FIXED WITH SAID CUTTER HEAD COAXIALLY THEREOF, AND DIRECTLY IN MESH WITH SAID PINION, AND A CONTAINER FOR DETRITUS MOUNTED BENEATH SAID CUTTER HEAD.
Claim 2
Dependent Claim
91 words
A PENCIL SHARPENER COMPRISING A BASE, A MOTOR MOUNTED ON SAID BASE, A PINION FIXED TO THE SHAFT OF SAID MOTOR, A COVER, MEANS REMOVABLY MOUNTING SAID COVER IN FIXED POSITION ON AND WITH RESPECT TO SAID BASE, A CUTTER HEAD JOURNALED IN SAID COVER FOR ROTATION RELATIVELY TO SAID COVER ABOUT A FIXED AXIS PARALLEL WITH AND OFFSET FROM THE AXIS OF SAID SHAFT, A GEAR FIXED WITH SAID CUTTER HEAD COAXIALLY THEREOF, AND DIRECTLY IN MESH WITH SAID PINION, AND A CONTAINER FOR DETRITUS MOUNTED BENEATH SAID CUTTER HEAD.
References Cited (Backward Citations)
US1494988A
Cited
US2520020A
Cited
US2642044A
Cited
US2557646A
Cited
US2563015A
Cited
GB753531A
Cited
US3004522A
Cited
US3090358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |