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. 02, 1979
Filed:
Jan. 24, 1978
Applicant:
Inventor:
Donald J Brown, Naperville, IL (US);
Assignee:
Knox Manufacturing Co., Wood Dale, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
350118 ; 352 36 ; 353 15 ;
Abstract
A picture screen comprising an upright standard, a leg unit supporting the standard, a roller adapted to receive a picture screen, a picture screen mounted on the roller and adapted to be unwound from a closed position to an open position, an elongated screen casing for receiving the roller and the screen coupled to the upright standard, and casing extensions integrally formed with the screen casing and each being provided with a speaker mounted therein. The speakers project the sound toward the viewer/listener to provide a lifelike effect with the picture projected on the screen.