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.

Date of Patent:
Jul. 17, 1984

Filed:

Nov. 13, 1978
Applicant:
Inventors:

William D Hernandez, Tarpon Springs, FL (US);

Adolph Behnke, Tarpon Springs, FL (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
5121 / ; 419 28 ;
Abstract

A lens block used to secure an opthalmic lens during its formation by conventional forming equipment wherein the lens block comprises an integrally formed single piece structure of hardened metal material having centering means including a plurality of linearally aligned apertures each having a substantially conical configuration formed directly in the surface of the lens block oppositely disposed to the surface which is interconnected to the lens itself. The lens block is formed from a powdered metal material comprised of hard metal alloys which is sintered and heat treated to attain a desired condition of particle hardness in the upper range of the Rockwell C Scale.


Find Patent Forward Citations

Loading…