FR667540A - Improvements made to the establishment of anti-glare devices - Google Patents

Improvements made to the establishment of anti-glare devices

Info

Publication number
FR667540A
FR667540A FR667540DA FR667540A FR 667540 A FR667540 A FR 667540A FR 667540D A FR667540D A FR 667540DA FR 667540 A FR667540 A FR 667540A
Authority
FR
France
Prior art keywords
establishment
improvements made
glare devices
glare
devices
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
Reginald George Madge
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 FR667540A publication Critical patent/FR667540A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
FR667540D 1929-01-17 1929-01-17 Improvements made to the establishment of anti-glare devices Expired FR667540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR667540T 1929-01-17

Publications (1)

Publication Number Publication Date
FR667540A true FR667540A (en) 1929-10-17

Family

ID=9014462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR667540D Expired FR667540A (en) 1929-01-17 1929-01-17 Improvements made to the establishment of anti-glare devices

Country Status (1)

Country Link
FR (1) FR667540A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE888321C (en) * 1950-02-18 1953-08-31 Georges Lissac Loose attachment for glasses
DE924710C (en) * 1951-08-17 1955-03-07 Erich Koenig Glasses with absorption fields

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE888321C (en) * 1950-02-18 1953-08-31 Georges Lissac Loose attachment for glasses
DE924710C (en) * 1951-08-17 1955-03-07 Erich Koenig Glasses with absorption fields

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