Patent US3754515A successfully refreshed from Google Patents.
Patent US5040256A successfully refreshed from Google Patents.
US5040256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination tape measurer and sharpener
Assignee: Individual
•
Filing: 1990-07-05
•
Granted: 1991-08-20
•
Expires: 2010-07-05
Abstract
Abstract A combination tape measurer, pencil sharpener and knife blade sharpener is provided. The pencil and knife blade sharpeners are provided on a separate insert that is fitted onto the tape measurer. This allows each component to be used without interfering with the others. A conventional retractable tape measurer can be modified to produce the resultant combination tool.
Inventors
- 👤 Norman T. Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:31
CPC Classifications
B; B43; B43L; B43L23/00; B43L23/08; G; G01; G01B; G01B3/00; G01B3/10; G01B3/1041; G01B3/1046; G01B3/1084; G01B3/1089
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
183 words
A combination tape measurer, pencil sharpener and knife blade sharpener comprising; a polygonal housing having a plurality of side walls, a tape opening in one said side wall adjacent one intersection as formed by two of said plurality of side walls, a coiled spring-loaded retractable measuring tape disposed within said housing and extendible through said tape opening, a dual tool sharpening insert disposed within said housing adjacent another intersection as formed by said plurality of side walls, said insert including a substantially conical pencil-receiving opening therein and an adjacent pencil sharpening blade forming a pencil sharpening device with said pencil-receiving opening facing outwardly from the direction of one of said plurality of side walls, an abrasive knife blade sharpening element affixed to said insert and having a substantially V-shaped opening formed therein, said knife blade sharpening element forming a knife blade sharpening device with said knife blade sharpening element facing outwardly from the direction of said same one said plurality of side walls as said pencil-receiving opening faces outwardly from, and said pencil sharpening device disposed laterally adjacent said knife blade sharpening device.
Claim 2
Dependent Claim
183 words
A combination tape measurer, pencil sharpener and knife blade sharpener comprising; a polygonal housing having a plurality of side walls, a tape opening in one said side wall adjacent one intersection as formed by two of said plurality of side walls, a coiled spring-loaded retractable measuring tape disposed within said housing and extendible through said tape opening, a dual tool sharpening insert disposed within said housing adjacent another intersection as formed by said plurality of side walls, said insert including a substantially conical pencil-receiving opening therein and an adjacent pencil sharpening blade forming a pencil sharpening device with said pencil-receiving opening facing outwardly from the direction of one of said plurality of side walls, an abrasive knife blade sharpening element affixed to said insert and having a substantially V-shaped opening formed therein, said knife blade sharpening element forming a knife blade sharpening device with said knife blade sharpening element facing outwardly from the direction of said same one said plurality of side walls as said pencil-receiving opening faces outwardly from, and said pencil sharpening device disposed laterally adjacent said knife blade sharpening device.
Claim 3
Dependent Claim
42 words
A combination tape measurer, pencil sharpener and knife blade sharpener according to claim 1 wherein, said insert comprises a unitary block member, and fastener means removably attaching said pencil sharpening blade and said knife blade sharpening element to said unitary block member.
Claim 4
Dependent Claim
24 words
A combination tape measurer, pencil sharpener and knife blade sharpener according to claim 1 including, fastener means removably affixing said insert within said housing.
Claim 5
Dependent Claim
25 words
A combination tape measurer, pencil sharpener and knife blade sharpener according to claim 1 including, side rails within said housing adapted to support said insert.
Claim 6
Dependent Claim
57 words
A combination tape measurer, pencil sharpener and knife blade sharpener according to claim 1 wherein, said insert includes a longitudinal slot therein aligned with said knife blade sharpening element V-shaped opening, wherein said slot provides guide and alignment means for a knife blade as it is passed between said V-shaped opening in said knife blade sharpening element.
Claim 7
Dependent Claim
24 words
The combination tape measure, pencil sharpener and knife blade sharpener according to claim 1, wherein: said blade sharpening element is composed of tungsten carbide.
Claim 8
Dependent Claim
38 words
The combination tape measurer, pencil sharpener and knife blade sharpener according to claim 1, wherein: adjacent surfaces of said tape measurer housing side walls and said sharpening tool insert are coplanar, whereby a smooth exterior surface is provided.
References Cited (Backward Citations)
US752339A
Cited
CA725934A
Cited
US2767530A
Cited
US3809137A
Cited
US4428515A
Cited
US4744150A
Cited
US4766673A
Cited
US4783867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-19 | 1995-02-18 | 1995-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-19 | 1999-02-18 | 1999-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-19 | 2003-02-18 | 2003-08-20 | $7700.00 | Window Closed / Lapsed |