FR720695A - Improvements to lamp frames - Google Patents
Improvements to lamp framesInfo
- Publication number
- FR720695A FR720695A FR720695DA FR720695A FR 720695 A FR720695 A FR 720695A FR 720695D A FR720695D A FR 720695DA FR 720695 A FR720695 A FR 720695A
- Authority
- FR
- France
- Prior art keywords
- lamp frames
- frames
- lamp
- 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
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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- 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
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/18—Latch-type fastening, e.g. with rotary action
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR720695T | 1931-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR720695A true FR720695A (en) | 1932-02-23 |
Family
ID=9094350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR720695D Expired FR720695A (en) | 1931-07-28 | 1931-07-28 | Improvements to lamp frames |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR720695A (en) |
-
1931
- 1931-07-28 FR FR720695D patent/FR720695A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR739015A (en) | Improvements to elastic frames | |
FR40812E (en) | Improvements to caps | |
FR730429A (en) | Improvements to light sources | |
FR720695A (en) | Improvements to lamp frames | |
FR728748A (en) | Improvements to mirrors | |
FR726819A (en) | Improvements to light boats | |
FR724344A (en) | Improvements to mine lamps | |
FR46615E (en) | Improvements to bicycles | |
FR719705A (en) | Improvements to luminous fountains | |
FR731284A (en) | Improvements to braking mechanisms | |
FR755136A (en) | Improvements to thermo-ionic lamps | |
FR772049A (en) | Improvements to glazing frames | |
FR717407A (en) | Improvements to hydrofoils | |
FR725026A (en) | Improvements to crankshafts | |
FR728498A (en) | Improvements to light projectors | |
FR727937A (en) | Improvements to decavaillonneurs | |
FR719285A (en) | Improvements to bannetons | |
FR718083A (en) | Improvements to valve-pistons | |
FR715992A (en) | Improvements to motocameras | |
FR41670E (en) | Improvements to decavaillonneurs | |
FR732899A (en) | Improvements to micro-telephones | |
FR732335A (en) | Improvements to servo-brakes | |
FR736144A (en) | Improvements to starting mechanisms | |
FR732633A (en) | Improvements to starting mechanisms | |
FR736145A (en) | Improvements to starting mechanisms |