FR330546A - Movable staircase - Google Patents

Movable staircase

Info

Publication number
FR330546A
FR330546A FR330546DA FR330546A FR 330546 A FR330546 A FR 330546A FR 330546D A FR330546D A FR 330546DA FR 330546 A FR330546 A FR 330546A
Authority
FR
France
Prior art keywords
movable staircase
staircase
movable
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
Other languages
French (fr)
Inventor
Leamon Griffith Souder
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 FR330546A publication Critical patent/FR330546A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00—Kinds or types of escalators or moving walkways
    • B66B21/02—Escalators
    • B66B21/06—Escalators spiral type
FR330546D 1903-03-24 1903-03-24 Movable staircase Expired FR330546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR330546T 1903-03-24

Publications (1)

Publication Number Publication Date
FR330546A true FR330546A (en) 1903-08-20

Family

ID=1380315

Family Applications (1)

Application Number Title Priority Date Filing Date
FR330546D Expired FR330546A (en) 1903-03-24 1903-03-24 Movable staircase

Country Status (1)

Country Link
FR (1) FR330546A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826352A (en) * 1972-10-27 1974-07-30 Rexnord Inc Spiral column for endless chain conveyor
US20160257531A1 (en) * 2015-03-02 2016-09-08 Edip Yuksel System of hexagonal building units and escalators or moving walkways used therein

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826352A (en) * 1972-10-27 1974-07-30 Rexnord Inc Spiral column for endless chain conveyor
US20160257531A1 (en) * 2015-03-02 2016-09-08 Edip Yuksel System of hexagonal building units and escalators or moving walkways used therein
US10059568B2 (en) * 2015-03-02 2018-08-28 Edip Yuksel System of hexagonal building units and escalators or moving walkways used therein

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