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 Title: |
US5103838:
Dental night guard
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Yousif, Edward N.; Chicago, IL 60625
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| Assignee: |
None
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| Published / Filed: |
1992-04-14
/ 1990-02-09
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| Application Number: |
US1990000477750
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| IPC Code: |
Advanced:
A61C 7/08;
A61F 5/56;
Core:
A61C 7/00;
more...
IPC-7:
A61C 5/14;
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| ECLA Code: |
A61C7/08; A61F5/56B; K61F5/56A;
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| U.S. Class: |
Current:
128/859;
128/861;
Original:
128/859;
128/861;
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| Field of Search: |
128/859-862,62 A
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| Priority Number: |
| 1990-02-09 |
US1990000477750 |
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| Abstract: |
A dental guard is provided with a two layer construction wherein a soft layer is bonded to a hard layer. The soft layer makes contact with the user's upper set of teeth while the hard layer forms the exterior of the dental guard. The soft layer provides a dental guard which is comfortable to wear and less stressful on the user's teeth while the hard layer provides the desired durability.
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| Attorney, Agent or Firm: |
Willian Brinks Olds Hofer Gilson & Lione ;
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| Primary / Asst. Examiners: |
Hafer, Robert A.; Brown, Michael
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| Maintenance Status: |
E1 Expired Check current status
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| INPADOC Legal Status: |
Show legal status actions
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| Family: |
None
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First Claim:
Show all 15 claims |
What is claimed is:
1. A dental guard used to protect the teeth of a user comprising:
- a hard layer created from an impression of both sets a user's set of teeth, said hard layer comprising an interior surface, said interior surface having a shape conjugate to a first set of the user's teeth wherein said interior surface has been altered to remove facial and lingual impressions created by the first set of teeth and an exterior surface contacting the user's opposite set of teeth when said guard is in use, said exterior surface having indentations from the second set of the user's teeth; and
- a soft layer bonded to said interior surface of said hard layer, said soft layer having an exterior surface, said exterior surface having a shape conjugate to said interior surface of said hard layer.
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| Background / Summary: |
Show background / summary
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| Drawing Descriptions: |
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| Description: |
Show description
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| Forward References: |
Show 63 U.S. patent(s) that reference this one
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