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
- 240000002027 Ficus elastica Species 0.000 description 8
- 229920001195 polyisoprene Polymers 0.000 description 8
- 239000000126 substance Substances 0.000 description 4
- 210000001144 Hymen Anatomy 0.000 description 2
- 101700009610 armi Proteins 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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.
Description
Usare STATES Armi errori.
COMBNATION OF LEAD-PENCIL AND ERASER.
Specilicatioii forming part of Leiters Patent No. E9,73, dated March 30, 1858.
To aZZ whom it may concern-.-
Be it known that I, HYMEN L. LIPMAN, of Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a new and useful Lead Pencil and Eraser; and I do hereby declare the following is a full, clear, and exact description thereof, reference being had to the accompanying drawing and to the letters of reference marked thereon.
I make a lead-pencil in the usual manner, reserving about oneAfourth of the length, in which I make a groove of suitable size, A,and insert in this groove a piece of prepared indiarubber, (or other erasive substance,) secured lo said pencil by being glued at one edge. 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.
In making mathematical, architectural, and
many other .kinds of drawings in which the lines are very near each other, 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.
I do not claim the use of a lead-pencil with a piece of indiarubber or other erasing material attached at one end for the purpose of erasing marks; but
What I do claim as my invention, and desire to secure by Letters Patent, is-
The combination of the lead and indiarubber or other erasing substance in the holder of a drawing-pencil, the Whole being eonstructed and arranged substantially in the manner and for the purposes set forth.
IIYMEN L. LIPMAN.
Witnesses:
LEWIs A. LIPMAN, JOHN P. CHARLTON.
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 (en) |
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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