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.:

US 6810591 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 02, 2004

Filed:

Jun. 11, 2003
Applicant:
Inventor:

Mathias D'Estais, Cairon, FR;

Assignee:

Heller S. A., , FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43L 1/314 ;
U.S. Cl.
CPC ...
B43L 1/314 ;
Abstract

A device enabling a user to reproduce an observed scene on a drawing board support including a first mirror; at least one second mirror, the mirrors being arranged to transmit an image from the support onto an eyepiece in front of which the user can position a first eye; and a secondary support capable of being intercalated between the scene and a second eye to be able to handle a close scene.


Find Patent Forward Citations

D'Estais, Mathias. (2004). Drawing aid device (U.S. Patent No. 6810591). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6810591

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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