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 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB298913A true GB298913A (enrdf_load_stackoverflow) 1929-07-04

Family

ID=31894207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29770/28A Expired GB298913A (enrdf_load_stackoverflow) 1927-10-14 1928-10-15

Country Status (1)

Country Link
GB (1) GB298913A (enrdf_load_stackoverflow)

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

Similar Documents

Publication Publication Date Title
GB298913A (enrdf_load_stackoverflow)
GB521613A (en) Improvements in, or relating to, electric torches
CA240186A (en) Electric light globe lock
FR594948A (fr) Dispositif de séparation par fusion et de distribution des lampes électriques à incandescence et autres récipients en verre fermés analogues
CA384575A (en) Electric light source producing mechanism
GB191500777A (en) Improvements in and relating to Iris-diaphragm Shutters for Lamps.
GB373593A (en) Improvements relating to light projecting devices
AU102063B2 (en) Incandescent light source
CA367539A (en) Bicycle stop light
CA289809A (en) Light bulb manufacture
CA297548A (en) Electric hand lantern for trainmen
CA288736A (en) Light projector
CA289903A (en) Light projector
CA366049A (en) Light fixture
CA269959A (en) Light projector
AU81237A (en) Incandescent light source
CA370042A (en) Electric light fixture
CA327840A (en) Light projector
GB346239A (enrdf_load_stackoverflow)
AU106915B2 (en) Improved reflector assembly for cyclists and others
AU1800729A (en) Light projector
CA365179A (en) Light beam control
ES151321A3 (es) Unas mejoras en el procedimiento de fabricación de vidrio negro
CA369799A (en) Coloured pigment
GB511967A (en) Improvements in or relating to episcopes