FR489481A - Improvements to typewriter keyboards - Google Patents
Improvements to typewriter keyboardsInfo
- Publication number
- FR489481A FR489481A FR489481DA FR489481A FR 489481 A FR489481 A FR 489481A FR 489481D A FR489481D A FR 489481DA FR 489481 A FR489481 A FR 489481A
- Authority
- FR
- France
- Prior art keywords
- typewriter keyboards
- typewriter
- keyboards
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/10—Arrangements of keyboards, e.g. key button disposition
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR489481T | 1918-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR489481A true FR489481A (en) | 1919-02-08 |
Family
ID=1525720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR489481D Expired FR489481A (en) | 1918-03-27 | 1918-03-27 | Improvements to typewriter keyboards |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR489481A (en) |
-
1918
- 1918-03-27 FR FR489481D patent/FR489481A/en not_active Expired
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