CA573854A - Rubber keys for business and office machines such as typewriters - Google Patents

Rubber keys for business and office machines such as typewriters

Info

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
Application number
CA573854A
Other languages
French (fr)
Inventor
P. Wesson Paul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA573854A publication Critical patent/CA573854A/en
Expired legal-status Critical Current

Links

CA573854A Rubber keys for business and office machines such as typewriters Expired CA573854A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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