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. 12, 1997
Filed:
Dec. 29, 1995
Masayoshi Usui, Numazu, JP;
Yoshiki Oshida, DeWitt, NY (US);
Abstract
The present invention provides a sanitary dental mirror for diagnosing and observing a diseased part of a mouth which can prevent an undesired foggy mirror surface. A dental mirror used for diagnosing and observing a diseased part of a patient's mouth is provided with a stem portion, a distal end portion, a mirror attached on one surface of the distal end portion, and a holding member having a concave-shaped filling canister. The dental mirror furthermore comprises a certain type of substance which is filled in the concave-shaped filling canister and stores heat generated by an absorbing reaction with moisture, a lid which has a plurality of small through-holes and opens/closes an opening portion of the concave-shaped filling canister, and a sealing film which is temporarily adhered on the outer surface of the lid.