FR795442A - Improvement in protective screen glasses - Google Patents

Improvement in protective screen glasses

Info

Publication number
FR795442A
FR795442A FR795442DA FR795442A FR 795442 A FR795442 A FR 795442A FR 795442D A FR795442D A FR 795442DA FR 795442 A FR795442 A FR 795442A
Authority
FR
France
Prior art keywords
improvement
protective screen
screen glasses
glasses
protective
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.)
R L LEROY SA
Original Assignee
R L LEROY SA
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 R L LEROY SA filed Critical R L LEROY SA
Application granted granted Critical
Publication of FR795442A publication Critical patent/FR795442A/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
    • G02C9/04—Attaching auxiliary optical parts by fitting over or clamping on

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
FR795442D 1935-09-27 1935-09-27 Improvement in protective screen glasses Expired FR795442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR795442T 1935-09-27

Publications (1)

Publication Number Publication Date
FR795442A true FR795442A (en) 1936-03-13

Family

ID=9234625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795442D Expired FR795442A (en) 1935-09-27 1935-09-27 Improvement in protective screen glasses

Country Status (1)

Country Link
FR (1) FR795442A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890871C (en) * 1951-07-07 1953-09-24 Ludwig Saborowski Dimming screen to switch on between the eye and the light source on glasses or lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890871C (en) * 1951-07-07 1953-09-24 Ludwig Saborowski Dimming screen to switch on between the eye and the light source on glasses or lamps

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