GB298913A - - Google Patents

Info

Publication number
GB298913A
GB298913A GB29770/28A GB2977028A GB298913A GB 298913 A GB298913 A GB 298913A GB 29770/28 A GB29770/28 A GB 29770/28A GB 2977028 A GB2977028 A GB 2977028A GB 298913 A GB298913 A GB 298913A
Authority
GB
United Kingdom
Prior art keywords
flaps
lewy
casing
light
screens
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
GB29770/28A
Other languages
English (en)
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.)
HANS FLIEG
Original Assignee
HANS FLIEG
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 HANS FLIEG filed Critical HANS FLIEG
Publication of GB298913A publication Critical patent/GB298913A/en
Expired 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audible And Visible Signals (AREA)
GB29770/28A 1927-10-14 1928-10-15 Expired GB298913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE298913T 1927-10-14

Publications (1)

Publication Number Publication Date
GB298913A true GB298913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1929-07-04

Family

ID=31894207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29770/28A Expired GB298913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1927-10-14 1928-10-15

Country Status (1)

Country Link
GB (1) GB298913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420307A (en) * 1944-02-08 1947-05-13 Frank H Fristoe Portable lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420307A (en) * 1944-02-08 1947-05-13 Frank H Fristoe Portable lamp

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