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:
Dec. 14, 1982
Filed:
May. 14, 1981
Applicant:
Inventor:
Robert K Lee, Prince George, British Columbia, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
15102 ; 15100 ; 134 / ;
Abstract
A machine, to be used in schools, for removing ink from overhead projector rolls of writing-film. The machine comprises a holder for the roll of writing-film, a take-up spool onto which the writing-film can be transferred, nozzles for applying solvent of the ink to the writing-film as it is being transferred to the take-up spool, and rubber blades for wiping the writing-film.