CA982778A - Spiral staircases - Google Patents

Spiral staircases

Info

Publication number
CA982778A
CA982778A CA153,405A CA153405A CA982778A CA 982778 A CA982778 A CA 982778A CA 153405 A CA153405 A CA 153405A CA 982778 A CA982778 A CA 982778A
Authority
CA
Canada
Prior art keywords
spiral staircases
staircases
spiral
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
Application number
CA153,405A
Other versions
CA153405S (en
Inventor
Cyril C.R. Thurston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA982778A publication Critical patent/CA982778A/en
Expired legal-status Critical Current

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
    • 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
    • E04F11/035—Stairways consisting of a plurality of assembled modular parts without further support

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
CA153,405A 1971-10-07 1972-10-06 Spiral staircases Expired CA982778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4660171A GB1394061A (en) 1971-10-07 1971-10-07 Spiral staircases

Publications (1)

Publication Number Publication Date
CA982778A true CA982778A (en) 1976-02-03

Family

ID=10441894

Family Applications (1)

Application Number Title Priority Date Filing Date
CA153,405A Expired CA982778A (en) 1971-10-07 1972-10-06 Spiral staircases

Country Status (2)

Country Link
CA (1) CA982778A (en)
GB (1) GB1394061A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111677209A (en) * 2020-05-11 2020-09-18 中船澄西船舶修造有限公司 Novel spiral stair tread structure

Also Published As

Publication number Publication date
GB1394061A (en) 1975-05-14

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