CH520849A - Spiral staircase - Google Patents

Spiral staircase

Info

Publication number: CH520849A
Authority: CH; Switzerland
Prior art keywords: spiral staircase; staircase; spiral
Prior art date: 1970-02-02

Application number

CH150871A

Other languages

German (de)

Inventor

Schatten Heinz

Original Assignee

Schatten Heinz

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.)

1970-02-02

Filing date

1971-02-02

Publication date

1972-03-31

1971-02-02 Application filed by Schatten Heinz filed Critical Schatten Heinz

1972-03-31 Publication of CH520849A publication Critical patent/CH520849A/en

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)

CH150871A 1970-02-02 1971-02-02 Spiral staircase CH520849A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702004527 DE2004527A1 (en)	1970-02-02	1970-02-02	Spiral staircase

Publications (1)

Publication Number	Publication Date
CH520849A true CH520849A (en)	1972-03-31

Family

ID=5761140

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH150871A CH520849A (en)	1970-02-02	1971-02-02	Spiral staircase

Country Status (4)

Country	Link
AT (1)	AT326335B (en)
CH (1)	CH520849A (en)
DE (1)	DE2004527A1 (en)
NL (1)	NL7101389A (en)

1970
- 1970-02-02 DE DE19702004527 patent/DE2004527A1/en active Pending
1971
- 1971-02-02 AT AT85771A patent/AT326335B/en not_active IP Right Cessation
- 1971-02-02 NL NL7101389A patent/NL7101389A/xx unknown
- 1971-02-02 CH CH150871A patent/CH520849A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT326335B (en)	1975-12-10
NL7101389A (en)	1971-08-04
DE2004527A1 (en)	1971-08-12
ATA85771A (en)	1975-02-15

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Legal Events

Date	Code	Title	Description
1975-09-15	PL	Patent ceased