EP0595231A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Engraved othodontic band
Assignee: 3M Co
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Filing: 1993-10-25
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Granted: —
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Expires: 2013-10-25
Abstract
Abstract An orthodontic band (10) has a laser engraved mark (14) with a white, frosty appearance. The mark is characterized by an absence of dark surface oxides, and is aesthetic and easy to read. The engraved identification mark inditia are sterilization resistant.
Inventors
- 👤 Bryan L. c/o Minnesota Mining and Horng
- 👤 Steven A. c/o Minnesota Mining and Martin
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 21:44
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/12; A61C7/14; A61C7/18; A61B; A61B90/00; A61B90/90
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
39 words
An orthodontic band (10) having an engraved identification mark (14), characterized in that said identification mark (14) is substantially white in color and has a rougher surface than adjacent surfaces of the band (10), thereby presenting a frosty appearance.
Claim 2
Dependent Claim
65 words
The band (10) of claim 1, characterized in that said band (10) includes a wall (12) and said mark (14) is on said wall (12), and wherein said mark (14) has an average concentration of oxides in an external surface layer that is not substantially greater than the average concentration of oxides in a similar layer of said wall (12) next to said mark (14).
Claim 3
Dependent Claim
22 words
The band (10) of claim 1 or 2, characterized in that said identification mark (14) is a spiral pattern laser engraved mark.
Claim 4
Dependent Claim
22 words
The band (10) of claim 3, characterized in that said spiral pattern comprises multiple spirals that extend along side-by-side, generally parallel paths.
References Cited (Backward Citations)
US4120090A
Cited
JPS635730A
Cited
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