GB2235760B - Lighting apparatus - Google Patents

Lighting apparatus

Info

Publication number
GB2235760B
GB2235760B GB8918300A GB8918300A GB2235760B GB 2235760 B GB2235760 B GB 2235760B GB 8918300 A GB8918300 A GB 8918300A GB 8918300 A GB8918300 A GB 8918300A GB 2235760 B GB2235760 B GB 2235760B
Authority
GB
United Kingdom
Prior art keywords
lighting apparatus
lighting
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 - Fee Related
Application number
GB8918300A
Other versions
GB8918300D0 (en
GB2235760A (en
Inventor
Kenneth Barry Shorland
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.)
STARLOWE ENERGY Ltd
Starlowe Lighting & Design Lim
Original Assignee
STARLOWE ENERGY Ltd
Starlowe Lighting & Design Lim
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 STARLOWE ENERGY Ltd, Starlowe Lighting & Design Lim filed Critical STARLOWE ENERGY Ltd
Priority to GB8918300A priority Critical patent/GB2235760B/en
Publication of GB8918300D0 publication Critical patent/GB8918300D0/en
Publication of GB2235760A publication Critical patent/GB2235760A/en
Application granted granted Critical
Publication of GB2235760B publication Critical patent/GB2235760B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
GB8918300A 1989-08-10 1989-08-10 Lighting apparatus Expired - Fee Related GB2235760B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8918300A GB2235760B (en) 1989-08-10 1989-08-10 Lighting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8918300A GB2235760B (en) 1989-08-10 1989-08-10 Lighting apparatus

Publications (3)

Publication Number Publication Date
GB8918300D0 GB8918300D0 (en) 1989-09-20
GB2235760A GB2235760A (en) 1991-03-13
GB2235760B true GB2235760B (en) 1992-09-23

Family

ID=10661455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8918300A Expired - Fee Related GB2235760B (en) 1989-08-10 1989-08-10 Lighting apparatus

Country Status (1)

Country Link
GB (1) GB2235760B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1133367A (en) * 1900-01-01
GB666286A (en) * 1949-05-06 1952-02-06 Siemens Electric Lamps & Suppl Improvements relating to fittings for electric lamps
GB668380A (en) * 1949-01-12 1952-03-19 Horatio Guy Campbell Improvements in or relating to reflectors for electric light fittings
GB699536A (en) * 1951-08-17 1953-11-11 Motor & Air Products Ltd Improvements in or relating to lighting fittings
GB703258A (en) * 1950-08-28 1954-02-03 Gen Electric Co Ltd Improvements in or relating to electric lighting fittings

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1133367A (en) * 1900-01-01
GB668380A (en) * 1949-01-12 1952-03-19 Horatio Guy Campbell Improvements in or relating to reflectors for electric light fittings
GB666286A (en) * 1949-05-06 1952-02-06 Siemens Electric Lamps & Suppl Improvements relating to fittings for electric lamps
GB703258A (en) * 1950-08-28 1954-02-03 Gen Electric Co Ltd Improvements in or relating to electric lighting fittings
GB699536A (en) * 1951-08-17 1953-11-11 Motor & Air Products Ltd Improvements in or relating to lighting fittings

Also Published As

Publication number Publication date
GB8918300D0 (en) 1989-09-20
GB2235760A (en) 1991-03-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010810