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:
Aug. 18, 1981
Filed:
Oct. 23, 1980
Applicant:
Inventor:
Charles W Neefe, Big Spring, TX (US);
Assignee:
Neefe Optica Lab Inc., Big Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264-11 ; 264-22 ; 264-25 ; 425808 ;
Abstract
A method of maintaining contact between the injected molded resinous optical surface and the mold by rapid filling of the mold through a restricted orifice and by mechanically moving the mold against the resin as it cools and shrinks.