Opthalmic lens preform

Details Opthalmic lens preform Opthalmic lens preform

2006-10-24

2006-10-24

Sugarman, Scott J. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

Reexamination Certificate

active

07125117

ABSTRACT:
The invention concerns an ophthalmic lens preform having intrinsically at least a mechanical angular indexing member (7, 8). It is applicable to the manufacture of lenses in mineral or organic material.

REFERENCES:
patent: 3577690 (1971-05-01), Catron
patent: 3962833 (1976-06-01), Johnson
patent: 4441795 (1984-04-01), Lobdell
patent: 6011630 (2000-01-01), Shanbaum et al.
patent: 0 657 246 (1995-06-01), None
patent: 2 755 631 (1998-05-01), None
patent: 05 124824 (1993-05-01), None

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