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Class Information
Number: 15/429
Name: Brushing, scrubbing, and general cleaning > Implements > Eraser > Including handling means > Which is pencil sheath or casing > Including advancing means for erasive body
Description: Implement which includes an enclosure within which the erasive body is relatively movable for causing, or increasing the extent of, protrusion of the work-contacting portion of the body therefrom, which implement includes manually engageable elements, not including the erasive body itself, which are shiftable relative to one another for the protrusion-effecting movement of the body.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6547465 |
Pencil with exposable eraser |
Apr. 15, 2003 |
| 5370471 |
Writing tool, with eraser dispenser |
Dec. 6, 1994 |
| 5306085 |
Multiplex writing implement with eraser |
Apr. 26, 1994 |
| 5236270 |
Writing tool for advancing lead with eraser dispenser |
Aug. 17, 1993 |
| 5090831 |
Writing instrument |
Feb. 25, 1992 |
| 5022774 |
Writing tool with eraser dispenser |
Jun. 11, 1991 |
| 5018891 |
Writing instrument with eraser dispenser |
May. 28, 1991 |
| 5015111 |
Eraser dispenser and writing instrument equipped with eraser dispenser |
May. 14, 1991 |
| 4979254 |
Eraser feeder |
Dec. 25, 1990 |
| 4904101 |
Eraser dispenser and writing instrument equipped with eraser dispenser |
Feb. 27, 1990 |
| 4899419 |
Pencil eraser assembly |
Feb. 13, 1990 |
| 4352580 |
Knock-out type mechanical pencil with retractable eraser |
Oct. 5, 1982 |
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