US3289641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pencil sharpener
Assignee: ROYAL LONDON Ltd
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Filing: 1966-04-29
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Granted: 1966-12-06
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Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 Ginsberg Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:01
CPC Classifications
B; B43; B43L; B43L23/00; B43L23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A PENCIL SHARPENER COMPRISING: A STATIONARY BASE ADAPTED TO BE SUPPORTED BY AN ADJACENT SURFACE; A HOLLOW HOUSING HAVING A PENCIL RECEIVING OPENING; MEANS ROTATABLY MOUNTING THE HOUSING ON THE BASE; A POINT SHARPENER, ROTATABLY MOUNTED IN THE HOUSING, IN ALIGNMENT WITH THE PENCIL RECEIVING OPENING FOR RECEIVING AND SHARPENING THE END OF A PENCIL INSERTED INTO THE HOUSING; MEANS, CARRIED BY THE PENCIL SHARPENER, FOR SIMULTANEOUSLY ROTATING THE POINT SHARPENER AT A FIRST RATE OF ROTATION AND ROTATING THE HOUSING AT A SECOND RATE OF ROTATION LESS THAN THE FIRST RATE OF ROTATION, SAID MOUNTING MEANS INCLUDING A BAND, ON THE BASE, SURROUNDING AT LEAST HALF OF THE HOUSING HAVING A JOURNAL ALIGNED WITH AND ENGAGING THE PENCIL RECEIVING OPENING AND A ROTATION PREVENTING MEANS, APPROXIMATELY 180* FROM THE JOURNAL FOR RECEIVING A NONROTATING SUPPORT; A NONROTATING SUPPORT, HELD IN THE ROTATION PREVENTING MEANS, EXTENDING INTO THE HOUSING; AND MEANS CONNECTING THE HOUSING AND THE NONROTATING SUPPORT FOR RELATIVE ROTATIONAL MOVEMENT; AND WHEREIN THE ROTATING MEANS INCLUDES MEANS DRIVABLY ROTATING THE HOUSING ABOUT THE NONROTATABLE SUPPORT.
Claim 2
Dependent Claim
177 words
A PENCIL SHARPENER COMPRISING: A STATIONARY BASE ADAPTED TO BE SUPPORTED BY AN ADJACENT SURFACE; A HOLLOW HOUSING HAVING A PENCIL RECEIVING OPENING; MEANS ROTATABLY MOUNTING THE HOUSING ON THE BASE; A POINT SHARPENER, ROTATABLY MOUNTED IN THE HOUSING, IN ALIGNMENT WITH THE PENCIL RECEIVING OPENING FOR RECEIVING AND SHARPENING THE END OF A PENCIL INSERTED INTO THE HOUSING; MEANS, CARRIED BY THE PENCIL SHARPENER, FOR SIMULTANEOUSLY ROTATING THE POINT SHARPENER AT A FIRST RATE OF ROTATION AND ROTATING THE HOUSING AT A SECOND RATE OF ROTATION LESS THAN THE FIRST RATE OF ROTATION, SAID MOUNTING MEANS INCLUDING A BAND, ON THE BASE, SURROUNDING AT LEAST HALF OF THE HOUSING HAVING A JOURNAL ALIGNED WITH AND ENGAGING THE PENCIL RECEIVING OPENING AND A ROTATION PREVENTING MEANS, APPROXIMATELY 180* FROM THE JOURNAL FOR RECEIVING A NONROTATING SUPPORT; A NONROTATING SUPPORT, HELD IN THE ROTATION PREVENTING MEANS, EXTENDING INTO THE HOUSING; AND MEANS CONNECTING THE HOUSING AND THE NONROTATING SUPPORT FOR RELATIVE ROTATIONAL MOVEMENT; AND WHEREIN THE ROTATING MEANS INCLUDES MEANS DRIVABLY ROTATING THE HOUSING ABOUT THE NONROTATABLE SUPPORT.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |