CA573854A - Rubber keys for business and office machines such as typewriters - Google Patents
Rubber keys for business and office machines such as typewritersInfo
- Publication number
- CA573854A CA573854A CA573854A CA573854DA CA573854A CA 573854 A CA573854 A CA 573854A CA 573854 A CA573854 A CA 573854A CA 573854D A CA573854D A CA 573854DA CA 573854 A CA573854 A CA 573854A
- Authority
- CA
- Canada
- Prior art keywords
- typewriters
- business
- office machines
- rubber keys
- keys
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA573854T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA573854A true CA573854A (en) | 1959-04-14 |
Family
ID=35749702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA573854A Expired CA573854A (en) | Rubber keys for business and office machines such as typewriters |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA573854A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4755072A (en) * | 1986-10-15 | 1988-07-05 | Hoornweg Andries P | Removable, transparent, colored key caps for color coding a keyboard |
-
0
- CA CA573854A patent/CA573854A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4755072A (en) * | 1986-10-15 | 1988-07-05 | Hoornweg Andries P | Removable, transparent, colored key caps for color coding a keyboard |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA573854A (en) | Rubber keys for business and office machines such as typewriters | |
CA599842A (en) | Printing business machines | |
CA579475A (en) | Combined typewriter and printing computing machine | |
CA583187A (en) | Printing machines | |
AU230796B2 (en) | Printing machines | |
CA588521A (en) | Printing machines | |
AU252256B2 (en) | Printer reperforator | |
CA574017A (en) | Telegraph printer | |
CA584186A (en) | Printing machine | |
CA568610A (en) | Printing machine | |
CA584206A (en) | Printer | |
CA573600A (en) | Printing | |
AU4552959A (en) | Printing machines | |
CA582245A (en) | Type printing apparatus | |
AU234670B2 (en) | Type printing apparatus | |
CA534178A (en) | Typewriter platen | |
CA573543A (en) | Printing calculating machine | |
AU5969060A (en) | Printer reperforator | |
CA585874A (en) | Printing plate | |
CA607528A (en) | Combined typewriter printing and calculating machine | |
CA585683A (en) | Business forms | |
CA566624A (en) | Telegraph printer | |
AU247390B2 (en) | Improved letter form | |
AU230813B2 (en) | Improvements in type printing telegraph apparatus | |
CA586323A (en) | Ribbon carrier for typewriters and like printing machines |