DE287531C - - Google Patents
Info
- Publication number
- DE287531C DE287531C DENDAT287531D DE287531DA DE287531C DE 287531 C DE287531 C DE 287531C DE NDAT287531 D DENDAT287531 D DE NDAT287531D DE 287531D A DE287531D A DE 287531DA DE 287531 C DE287531 C DE 287531C
- Authority
- DE
- Germany
- Prior art keywords
- openings
- peephole
- mirror
- viewing
- closure
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 claims description 3
- 230000001427 coherent effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 3
- 241000189705 Dunedin group Species 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
- E06B7/30—Peep-holes; Devices for speaking through; Doors having windows
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE287531C true DE287531C (en:Method) |
Family
ID=542746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT287531D Active DE287531C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE287531C (en:Method) |
-
0
- DE DENDAT287531D patent/DE287531C/de active Active
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