FR808720A - Improvements to glasses - Google Patents

Improvements to glasses

Info

Publication number
FR808720A
FR808720A FR808720DA FR808720A FR 808720 A FR808720 A FR 808720A FR 808720D A FR808720D A FR 808720DA FR 808720 A FR808720 A FR 808720A
Authority
FR
France
Prior art keywords
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
French (fr)
Inventor
Kenelm Edward Lee Guinness
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 FR808720A publication Critical patent/FR808720A/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
    • G02C5/00—Constructions of non-optical parts
    • G02C5/22—Hinges
    • G02C5/2263—Composite hinges, e.g. for varying the inclination of the lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/006—Collapsible frames

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
FR808720D 1935-07-31 1936-07-29 Improvements to glasses Expired FR808720A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB808720X 1935-07-31

Publications (1)

Publication Number Publication Date
FR808720A true FR808720A (en) 1937-02-13

Family

ID=10518644

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808720D Expired FR808720A (en) 1935-07-31 1936-07-29 Improvements to glasses

Country Status (1)

Country Link
FR (1) FR808720A (en)

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