US19783A - Combination of lead-pencil and eraser - Google Patents
Combination of lead-pencil and eraser Download PDFInfo
- Publication number
- US19783A US19783A US19783DA US19783A US 19783 A US19783 A US 19783A US 19783D A US19783D A US 19783DA US 19783 A US19783 A US 19783A
- Authority
- US
- United States
- Prior art keywords
- pencil
- lead
- eraser
- combination
- erasing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 244000286663 Ficus elastica Species 0.000 description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- 229920001195 polyisoprene Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 2
- 101100163433 Drosophila melanogaster armi gene Proteins 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 210000001144 hymen Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/02—Combinations of writing implements with other articles with rubbers
Definitions
- the vpencil is then finished in the usual manner, so that on cutting one end thereof ⁇ you have the lead B, and on cutting at the other end you expose a small piece of india-rubber, C, ready for use,and particularly valuable for removing or erasing lines, iigures, &c., and not subject to be soiled or rnislaid on the table or desk.
- the eraser is particularly useful, as it may be sharpened to a point to erase any marks between the lines, and should the point of the rubber become soiled or inoperative from any cause such cause is easily removed by a renewed sharpening, as in the ordinary lead-pencil.
Landscapes
- Paints Or Removers (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US19783A true US19783A (en) | 1858-03-30 |
Family
ID=2084182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US19783D Expired - Lifetime US19783A (en) | Combination of lead-pencil and eraser |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US19783A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090031527A1 (en) * | 2007-08-03 | 2009-02-05 | Gavin Curtis | Layered Eraser |
| US20120113742A1 (en) * | 2009-04-22 | 2012-05-10 | Buhler Ag | Shearing/Mixing Tool |
-
0
- US US19783D patent/US19783A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090031527A1 (en) * | 2007-08-03 | 2009-02-05 | Gavin Curtis | Layered Eraser |
| US8214969B2 (en) | 2007-08-03 | 2012-07-10 | Gavin Curtis | Layered eraser |
| US20120113742A1 (en) * | 2009-04-22 | 2012-05-10 | Buhler Ag | Shearing/Mixing Tool |
| US8622607B2 (en) * | 2009-04-22 | 2014-01-07 | Bühler AG | Shearing/mixing tool |
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