FR657214A - Removable frame for additional spectacle lenses - Google Patents

Removable frame for additional spectacle lenses

Info

Publication number
FR657214A
FR657214A FR657214DA FR657214A FR 657214 A FR657214 A FR 657214A FR 657214D A FR657214D A FR 657214DA FR 657214 A FR657214 A FR 657214A
Authority
FR
France
Prior art keywords
spectacle lenses
removable frame
additional spectacle
additional
removable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Louis-Leon-Jules Ganeval
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR657214A publication Critical patent/FR657214A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C9/00—Attaching auxiliary optical parts
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/08—Auxiliary lenses; Arrangements for varying focal length

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
FR657214D 1928-07-10 1928-07-10 Removable frame for additional spectacle lenses Expired FR657214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR657214T 1928-07-10

Publications (1)

Publication Number Publication Date
FR657214A true FR657214A (en) 1929-05-18

Family

ID=9008279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR657214D Expired FR657214A (en) 1928-07-10 1928-07-10 Removable frame for additional spectacle lenses

Country Status (1)

Country Link
FR (1) FR657214A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921953C (en) * 1952-12-31 1955-01-07 Johannes Bartschat Headlamp with magnifying glass
WO2000070389A1 (en) * 1999-05-18 2000-11-23 Sam Anthony Kirsch Secondary eyeglasses which are intended for attachment to a pair of primary eyeglasses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921953C (en) * 1952-12-31 1955-01-07 Johannes Bartschat Headlamp with magnifying glass
WO2000070389A1 (en) * 1999-05-18 2000-11-23 Sam Anthony Kirsch Secondary eyeglasses which are intended for attachment to a pair of primary eyeglasses

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