FR693640A - Improvements in glare protection devices - Google Patents

Improvements in glare protection devices

Info

Publication number
FR693640A
FR693640A FR693640DA FR693640A FR 693640 A FR693640 A FR 693640A FR 693640D A FR693640D A FR 693640DA FR 693640 A FR693640 A FR 693640A
Authority
FR
France
Prior art keywords
protection devices
glare protection
glare
devices
protection
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)
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.)
COMM OUVRIERS LUNETIERS SOC IN
PETHE EPARVIER
Original Assignee
COMM OUVRIERS LUNETIERS SOC IN
PETHE EPARVIER
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 COMM OUVRIERS LUNETIERS SOC IN, PETHE EPARVIER filed Critical COMM OUVRIERS LUNETIERS SOC IN
Application granted granted Critical
Publication of FR693640A publication Critical patent/FR693640A/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
    • G02C7/00—Optical parts
    • G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
    • 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)
FR693640D 1930-02-25 1930-02-25 Improvements in glare protection devices Expired FR693640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR693640T 1930-02-25

Publications (1)

Publication Number Publication Date
FR693640A true FR693640A (en) 1930-11-22

Family

ID=9041964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR693640D Expired FR693640A (en) 1930-02-25 1930-02-25 Improvements in glare protection devices

Country Status (1)

Country Link
FR (1) FR693640A (en)

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