GB187147A - An improvement in letters, numerals, or other characters used on bulletin, announcement, or advertisement boards - Google Patents
An improvement in letters, numerals, or other characters used on bulletin, announcement, or advertisement boardsInfo
- Publication number
- GB187147A GB187147A GB2884921A GB2884921A GB187147A GB 187147 A GB187147 A GB 187147A GB 2884921 A GB2884921 A GB 2884921A GB 2884921 A GB2884921 A GB 2884921A GB 187147 A GB187147 A GB 187147A
- Authority
- GB
- United Kingdom
- Prior art keywords
- letters
- numerals
- bulletin
- announcement
- improvement
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/34—Means for adjusting limits of movement; Mechanical means for adjusting returning force
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols
- G09F7/08—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols the elements being secured or adapted to be secured by means of grooves, rails, or slits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Adornments (AREA)
Abstract
187,147. Williams, M. Oct. 31, 1921. No Patent granted (Sealing fee not paid). Letters, numerals, and the like.-Letters &c. are provided with projections of non-circular crosssection. The smaller axis c, d of the projection is less than the width of the groove in to which it is to be inserted. This allows the letter to be inserted sideways; it is then turned into the upright position, and the longer axis e, f of the projection engages tightly with the sides of the grooves. In a modification the end of the projection may be larger than the shaft, a T-shaped groove being provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2884921A GB187147A (en) | 1921-10-31 | 1921-10-31 | An improvement in letters, numerals, or other characters used on bulletin, announcement, or advertisement boards |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2884921A GB187147A (en) | 1921-10-31 | 1921-10-31 | An improvement in letters, numerals, or other characters used on bulletin, announcement, or advertisement boards |
Publications (1)
Publication Number | Publication Date |
---|---|
GB187147A true GB187147A (en) | 1922-10-19 |
Family
ID=10282130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2884921A Expired GB187147A (en) | 1921-10-31 | 1921-10-31 | An improvement in letters, numerals, or other characters used on bulletin, announcement, or advertisement boards |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB187147A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2887801A (en) * | 1957-12-02 | 1959-05-26 | Gerald E Walters | Sign |
-
1921
- 1921-10-31 GB GB2884921A patent/GB187147A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2887801A (en) * | 1957-12-02 | 1959-05-26 | Gerald E Walters | Sign |
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