FR866208A - Perfectionnements aux lunettes pour aviateurs et similaires - Google Patents

Perfectionnements aux lunettes pour aviateurs et similaires

Info

Publication number
FR866208A
FR866208A FR866208DA FR866208A FR 866208 A FR866208 A FR 866208A FR 866208D A FR866208D A FR 866208DA FR 866208 A FR866208 A FR 866208A
Authority
FR
France
Prior art keywords
aviators
glasses
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRETIN BILLET ET FILS L
Original Assignee
CRETIN BILLET ET FILS L
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 by CRETIN BILLET ET FILS L filed Critical CRETIN BILLET ET FILS L
Application granted granted Critical
Publication of FR866208A publication Critical patent/FR866208A/fr
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
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • 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
    • G02C9/02—Attaching auxiliary optical parts by hinging

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
FR866208D 1940-03-09 1940-03-09 Perfectionnements aux lunettes pour aviateurs et similaires Expired FR866208A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR866208T 1940-03-09

Publications (1)

Publication Number Publication Date
FR866208A true FR866208A (fr) 1941-07-15

Family

ID=9344769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866208D Expired FR866208A (fr) 1940-03-09 1940-03-09 Perfectionnements aux lunettes pour aviateurs et similaires

Country Status (1)

Country Link
FR (1) FR866208A (fr)

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