GB2168168B - Optical aid - Google Patents

Optical aid

Info

Publication number
GB2168168B
GB2168168B GB08530058A GB8530058A GB2168168B GB 2168168 B GB2168168 B GB 2168168B GB 08530058 A GB08530058 A GB 08530058A GB 8530058 A GB8530058 A GB 8530058A GB 2168168 B GB2168168 B GB 2168168B
Authority
GB
United Kingdom
Prior art keywords
optical aid
aid
optical
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
GB08530058A
Other versions
GB8530058D0 (en
GB2168168A (en
Inventor
David Charles Crouchley
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.)
Quilley & Sons Ltd D
Original Assignee
Quilley & Sons Ltd D
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 Quilley & Sons Ltd D filed Critical Quilley & Sons Ltd D
Publication of GB8530058D0 publication Critical patent/GB8530058D0/en
Publication of GB2168168A publication Critical patent/GB2168168A/en
Application granted granted Critical
Publication of GB2168168B publication Critical patent/GB2168168B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/002—Magnifying glasses
    • G02B25/008—Magnifying glasses comprising two or more lenses
GB08530058A 1984-12-08 1985-12-06 Optical aid Expired GB2168168B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848431063A GB8431063D0 (en) 1984-12-08 1984-12-08 Optical aid

Publications (3)

Publication Number Publication Date
GB8530058D0 GB8530058D0 (en) 1986-01-15
GB2168168A GB2168168A (en) 1986-06-11
GB2168168B true GB2168168B (en) 1988-10-19

Family

ID=10570914

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848431063A Pending GB8431063D0 (en) 1984-12-08 1984-12-08 Optical aid
GB08530058A Expired GB2168168B (en) 1984-12-08 1985-12-06 Optical aid

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848431063A Pending GB8431063D0 (en) 1984-12-08 1984-12-08 Optical aid

Country Status (1)

Country Link
GB (2) GB8431063D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB247884A (en) * 1925-10-30 1926-02-25 Bernhard Kronenberger A device for effecting self-diagnosis of the eye
US3677620A (en) * 1967-11-20 1972-07-18 Joseph Bettencourt Corrective mirror assembly

Also Published As

Publication number Publication date
GB8530058D0 (en) 1986-01-15
GB8431063D0 (en) 1985-01-16
GB2168168A (en) 1986-06-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee