DE90578C - - Google Patents
Info
- Publication number
- DE90578C DE90578C DENDAT90578D DE90578DA DE90578C DE 90578 C DE90578 C DE 90578C DE NDAT90578 D DENDAT90578 D DE NDAT90578D DE 90578D A DE90578D A DE 90578DA DE 90578 C DE90578 C DE 90578C
- Authority
- DE
- Germany
- Prior art keywords
- periscope
- thürgucker
- eye
- ball
- closed
- 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 2
- 210000003128 head Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007787 solid Substances 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)
- Pivots And Pivotal Connections (AREA)
- Endoscopes (AREA)
- Materials For Medical Uses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE90578C true DE90578C (enrdf_load_html_response) |
Family
ID=362281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT90578D Active DE90578C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE90578C (enrdf_load_html_response) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2524694A (en) * | 1944-12-29 | 1950-10-03 | Jr Robert V Cheatham | Display window assembly |
| DE1094438B (de) * | 1956-02-18 | 1960-12-08 | Saint Gobain | Einstellbares Wandelement mit einer Durchblickoeffnung zur Beobachtung des Inneren von Raeumen |
-
0
- DE DENDAT90578D patent/DE90578C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2524694A (en) * | 1944-12-29 | 1950-10-03 | Jr Robert V Cheatham | Display window assembly |
| DE1094438B (de) * | 1956-02-18 | 1960-12-08 | Saint Gobain | Einstellbares Wandelement mit einer Durchblickoeffnung zur Beobachtung des Inneren von Raeumen |
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