US181653A - Improvement in slates - Google Patents
Improvement in slates Download PDFInfo
- Publication number
- US181653A US181653A US181653DA US181653A US 181653 A US181653 A US 181653A US 181653D A US181653D A US 181653DA US 181653 A US181653 A US 181653A
- Authority
- US
- United States
- Prior art keywords
- slates
- improvement
- frame
- slate
- brul
- 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
- 101100273899 Gallus gallus CELF1 gene Proteins 0.000 description 3
- 239000010454 slate Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 241001531441 Alestes dentex Species 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B17/00—Teaching reading
Definitions
- This invention relates to a school or writing slate having a solid frame; and it consists in forming the letters of the alphabet in the face of said frame in depressed characin intaglio, so that the washin g or wear of the frame shall not obliterate the inscription.
- a slate having a solid frame with the letters of the alphabet in the face of said frame in depress characters, to form a permanent and correct copy for the user of the slate, as herein set forth.
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Finishing Walls (AREA)
Description
UNITED STATES PATENT FTTCEr NAPOLEON DU BRUL, OFY CINCINNATI, OHIO.
IMPROVEMENT lN SLATES.
Specification forming part of Letters Patent No. l S [,653, dated August 29, 1876; application filed July 6, 1876.
To all whom it may concern Beit known that I, NAPOLEON DU BRUL, of Cincinnati, Hamilton county, Ohio, have invented a new and useful Improvement in Slates, of which the following is a specification:
This invention relates to a school or writing slate having a solid frame; and it consists in forming the letters of the alphabet in the face of said frame in depressed characin intaglio, so that the washin g or wear of the frame shall not obliterate the inscription.
I am aware that a slate-frame has heretofore been made with indentations on its surface to form a scale to indicate length. This, therefore, I do not claim but What I do claim as new, and desire to secure by Letters Patent, is-
As a new article of manufacture, a slate having a solid frame, with the letters of the alphabet in the face of said frame in depress characters, to form a permanent and correct copy for the user of the slate, as herein set forth.
ln testimony of which invention I hereunto set my hand.
l NAPOLEON DU BRUL.
Attest:
GEO. H. KNIGHT, HORACE E. JOHNSON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US181653A true US181653A (en) | 1876-08-29 |
Family
ID=2251059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US181653D Expired - Lifetime US181653A (en) | Improvement in slates |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US181653A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD292418S (en) | 1984-05-14 | 1987-10-20 | Perry Joseph W | Miniature school slate |
| US6416329B1 (en) * | 1999-08-13 | 2002-07-09 | Kyowa Electric And Chemical Co., Ltd. | Writing device for practice in writing characters |
| US6884082B1 (en) * | 2002-04-15 | 2005-04-26 | Donna James | Sensory feedback educational tool |
| USD835712S1 (en) * | 2016-08-08 | 2018-12-11 | Darren E. Peterson | Typeface |
-
0
- US US181653D patent/US181653A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD292418S (en) | 1984-05-14 | 1987-10-20 | Perry Joseph W | Miniature school slate |
| US6416329B1 (en) * | 1999-08-13 | 2002-07-09 | Kyowa Electric And Chemical Co., Ltd. | Writing device for practice in writing characters |
| US6884082B1 (en) * | 2002-04-15 | 2005-04-26 | Donna James | Sensory feedback educational tool |
| USD835712S1 (en) * | 2016-08-08 | 2018-12-11 | Darren E. Peterson | Typeface |
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