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. 31, 1996
Filed:
Sep. 29, 1994
Dietrich Busch, Simmern, DE;
Roland Leroux, Stadacken-Elsheim, DE;
Schott Glaswerke, Mainz, DE;
Abstract
A heat-insulating viewing window or door for an apparatus has an inner temperature in a cavity of the apparatus which deviates from the temperature of the ambient in which the apparatus operates. The viewing window is especially for cooking or baking ovens or dryers. The viewing window includes an arrangement of plates positioned at spacings from each other and held in a common frame. The plates can be made of glass, glass ceramic or another transparent temperature-resistant material. At least one further plate is mounted between the plate subjected to the ambient temperature and the plate subjected to the temperature of the interior cavity of the apparatus.