The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 1981
Filed:
Mar. 10, 1980
Applicant:
Inventor:
An Wang, Lincoln, MA (US);
Assignee:
Wang Laboratories, Inc., Lowell, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ;
U.S. Cl.
CPC ...
400110 ; 365127 ; 400 73 ;
Abstract
A Chinese typewriter comprising a keyboard for the input of numerical and command signals, a control circuit for control of the system, a rotating drum carrying a film strip on which are optically stored a plurality of Chinese characters, a CRT display for verifying the desired character, and a printer.
Wang, An. (1981). Ideographic typewriter (U.S. Patent No. 4294550). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4294550
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile