GB169238A - Improvements in and relating to spectacle lenses - Google Patents

Improvements in and relating to spectacle lenses

Info

Publication number
GB169238A
GB169238A GB1645620A GB1645620A GB169238A GB 169238 A GB169238 A GB 169238A GB 1645620 A GB1645620 A GB 1645620A GB 1645620 A GB1645620 A GB 1645620A GB 169238 A GB169238 A GB 169238A
Authority
GB
United Kingdom
Prior art keywords
relating
spectacle lenses
spectacle
lenses
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
GB1645620A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1645620A priority Critical patent/GB169238A/en
Publication of GB169238A publication Critical patent/GB169238A/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
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB1645620A 1920-06-17 1920-06-17 Improvements in and relating to spectacle lenses Expired GB169238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1645620A GB169238A (en) 1920-06-17 1920-06-17 Improvements in and relating to spectacle lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1645620A GB169238A (en) 1920-06-17 1920-06-17 Improvements in and relating to spectacle lenses

Publications (1)

Publication Number Publication Date
GB169238A true GB169238A (en) 1921-09-19

Family

ID=10077643

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1645620A Expired GB169238A (en) 1920-06-17 1920-06-17 Improvements in and relating to spectacle lenses

Country Status (1)

Country Link
GB (1) GB169238A (en)

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