GB2168168B - Optical aid - Google Patents

Optical aid

Info

Publication number: GB2168168B
Authority: GB; United Kingdom
Prior art keywords: optical aid; aid; optical
Prior art date: 1984-12-08
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

GB2168168A (en

GB8530058D0 (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.)

1984-12-08

Filing date

1985-12-06

Publication date

1988-10-19

1985-12-06 Application filed by Quilley & Sons Ltd D filed Critical Quilley & Sons Ltd D

1986-01-15 Publication of GB8530058D0 publication Critical patent/GB8530058D0/en

1986-06-11 Publication of GB2168168A publication Critical patent/GB2168168A/en

1988-10-19 Application granted granted Critical

1988-10-19 Publication of GB2168168B publication Critical patent/GB2168168B/en

Status Expired legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)

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

1984
- 1984-12-08 GB GB848431063A patent/GB8431063D0/en active Pending
1985
- 1985-12-06 GB GB08530058A patent/GB2168168B/en not_active Expired

Also Published As

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

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Legal Events

Date	Code	Title	Description
1991-07-31	PCNP	Patent ceased through non-payment of renewal fee