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 Title: |
US4713002:
Dental mirror
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Presser, Dwight W.; West Bloomfield Township, Oakland County, MI
Berke, Joseph J.; Detroit, MI 48207
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| Assignee: |
Berke; Joseph J., Bloomfield Hills, MI
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| Published / Filed: |
1987-12-15
/ 1985-10-09
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| Application Number: |
US1985000785922
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| IPC Code: |
Advanced:
A61B 1/247;
Core:
more...
IPC-7:
A61C 1/00;
A61C 3/00;
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| U.S. Class: |
Current:
433/030;
Original:
433/030;
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| Field of Search: |
433/029,30
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| Priority Number: |
| 1985-10-09 |
US1985000785922 |
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| Abstract: |
An improved dental mirror or instrument of the type including an elongated handle and a disc-like mirror mounted in a frame at one end of the handle. A concave clear plastic shell is sealed relative to the mirror surface to substantially reduce, if not completely eliminate, condensation. The concave exterior surface, which is dome-like in configuration, may be comfortably and conveniently wiped on the inside cheek of the patient to assist in maintaining the surface clear and clean, and to assist in removal of debris from the mouth of the patient.
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| Attorney, Agent or Firm: |
Cullen, Sloman, Cantor, Grauer, Scott & Rutherford ;
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| Primary / Asst. Examiners: |
Peshock, Robert;
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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| Family: |
None
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First Claim:
Show all 14 claims |
What is claimed is:
1. In an instrument of the type including an elongated handle and a disc-like mirror mounted at one end of the handle, said mirror having a mirror face, the improvement comprising:
- a protective shield over the disc-like mirror, the protective shield sealed relative to said mirror face to prevent fluids from entering therebetween; and
- the protective shield is formed as a portion of a sphere.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 3 U.S. patent(s) that reference this one
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