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 Title: |
US4016650:
Impression tray for dental purposes
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Leusner, Bernd W.; Leverkusen, Federal Republic of Germany
Schulz, Hans-Hermann; Leichlingen, Federal Republic of Germany
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| Assignee: |
Bayer Aktiengesellschaft, Leverkusen, Federal Republic of Germany
other patents from BAYER AKTIENGESELLSCHAFT (55665) (approx. 13,546)
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| Published / Filed: |
1977-04-12
/ 1975-10-31
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| Application Number: |
US1975000628460
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| IPC Code: |
Advanced:
A61C 9/00;
A61C 11/00;
Core:
more...
IPC-7:
A61C 9/00;
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| ECLA Code: |
A61C9/00A;
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| U.S. Class: |
Current:
433/042;
Original:
032/017;
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| Field of Search: |
032/017,18,19
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| Priority Number: |
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| Abstract: |
In order, when taking impressions of the upper jaw and lower jaw for dental purposes, to be able to introduce the upper-jaw tray and lower-jaw tray individually into and to remove them individually from the mouth of the patient, one of the trays is formed on the bite surface with depressions against which openings in the second tray come to rest, so that the impression compound is able to penetrate through the openings into the depressions.
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| Attorney, Agent or Firm: |
Burgess, Dinklage & Sprung ;
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| Primary / Asst. Examiners: |
McNeill, G.E.;
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| INPADOC Legal Status: |
None
Family Legal Status Report
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| Family: |
Show 11 known family members
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First Claim:
Show all 7 claims |
What we claim is:
1. An impression tray for dental purposes which comprises a lower-jaw tray and an upper-jaw tray each having a shape adapted to the shape of the jaw, one of the jaw-trays being provided with a bite surface having depressions and the other jaw tray being provided with a bite surface having openings, the openings and depressions being situated in such locations that they are in register when the two jaw-trays meet.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 34 U.S. patent(s) that reference this one
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