Spectacle frame

Details Spectacle frame Spectacle frame

2005-06-14

2005-06-14

Mai, Huy (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

C351S178000

Reexamination Certificate

active

06905204

ABSTRACT:
A spectacle frame comprises frame parts which are made of chrome nickel steel and produced by cold-forming. In order to provide advantageous constructional conditions, it is proposed that the frame parts consist of a chrome nickel steel with a minimum strength 950 MPa.

REFERENCES:
patent: 4896955 (1990-01-01), Zider et al.
patent: 4898622 (1990-02-01), Kuze
patent: 5102215 (1992-04-01), Nakanishi
patent: 5640217 (1997-06-01), Hautcoeur et al.
patent: 32 21 645 (1983-01-01), None
patent: 36 11 981 (1987-01-01), None
patent: 36 17 685 (1987-12-01), None
patent: 41 40 262 (1993-06-01), None
patent: 0119 501 (1984-09-01), None

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