ATA963072A - SPIRAL STAIR - Google Patents
SPIRAL STAIRInfo
- Publication number
- ATA963072A ATA963072A AT963072A AT963072A ATA963072A AT A963072 A ATA963072 A AT A963072A AT 963072 A AT963072 A AT 963072A AT 963072 A AT963072 A AT 963072A AT A963072 A ATA963072 A AT A963072A
- Authority
- AT
- Austria
- Prior art keywords
- spiral stair
- stair
- spiral
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/032—Spiral stairways supported by a central column
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE7144396 | 1971-11-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA963072A true ATA963072A (en) | 1975-02-15 |
AT326336B AT326336B (en) | 1975-12-10 |
Family
ID=6625309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT963072A AT326336B (en) | 1971-11-25 | 1972-11-13 | SPIRAL STAIR |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT326336B (en) |
SE (1) | SE399090B (en) |
-
1972
- 1972-11-13 AT AT963072A patent/AT326336B/en not_active IP Right Cessation
- 1972-11-22 SE SE7215210A patent/SE399090B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE399090B (en) | 1978-01-30 |
AT326336B (en) | 1975-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |