US17019A - Samuel r - Google Patents
Samuel r Download PDFInfo
- Publication number
- US17019A US17019A US17019DA US17019A US 17019 A US17019 A US 17019A US 17019D A US17019D A US 17019DA US 17019 A US17019 A US 17019A
- Authority
- US
- United States
- Prior art keywords
- samuel
- frame
- slate
- burrell
- file
- 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
- 239000010454 slate Substances 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
Definitions
- AA is the frame of the ordinary school slate; B, the slate itself; C, a metallic tile let in to the said frame flush with its surface and kept fixed in its place by fitting tight and the addition of glue, or any other kind of adhesive cement if deemed necessary, by means of which an instrument is conveniently at hand, to sharpen and keep the point on the pencil for use.
- DD is a file of a similar character attached to the frame by a pivot D, so as to slide into a slot and be flush with the frame, at the same time covering the cavity E in the said frame for the reception and retention of the pencil H.
Description
UNE
SAMUEL R. BURRELL, OF NEV YORK, N. Y.
SCHOOL-SLATE.
Speccaton of Letters Patent No. 17,019, dated April 14, 1857.
To all a0/wm t may concern.
Be it known that I, SAMUEL R. BURRELL, of the city and State of New York, have invented certain Improvements in the Slate for the Use of Schools, Snc.; and I do hereby declare that the following` is a full and eX- act description thereof, reference being had to the accompanying drawings and to the letters of reference marked thereon.
AA is the frame of the ordinary school slate; B, the slate itself; C, a metallic tile let in to the said frame flush with its surface and kept fixed in its place by fitting tight and the addition of glue, or any other kind of adhesive cement if deemed necessary, by means of which an instrument is conveniently at hand, to sharpen and keep the point on the pencil for use. DD is a file of a similar character attached to the frame by a pivot D, so as to slide into a slot and be flush with the frame, at the same time covering the cavity E in the said frame for the reception and retention of the pencil H.
What I claim as my invention or improvement is- The application of a permanent, or fixed file, and also a movable file to 'the ordinary slate frame of commerce in form and manner as herein before set forth and described in the specification and drawings.
, SAMUEL R. BURRELL.
Titnessesr HAMILTON MoR'roN, D. HOBART.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US17019A true US17019A (en) | 1857-04-14 |
Family
ID=2079138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17019D Expired - Lifetime US17019A (en) | Samuel r |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US17019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439159A (en) * | 1980-12-19 | 1984-03-27 | Hunter James B | Sketching aid |
-
0
- US US17019D patent/US17019A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439159A (en) * | 1980-12-19 | 1984-03-27 | Hunter James B | Sketching aid |
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