FR522257A - Safety device for doors - Google Patents

Safety device for doors

Info

Publication number
FR522257A
FR522257A FR522257A FR522257DA FR522257A FR 522257 A FR522257 A FR 522257A FR 522257 A FR522257 A FR 522257A FR 522257D A FR522257D A FR 522257DA FR 522257 A FR522257 A FR 522257A
Authority
FR
France
Prior art keywords
doors
safety device
safety
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
FR522257A
Other languages
French (fr)
Inventor
Georges Geyer
Victor Waldemar Freund
Max Falk
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.)
GEORGES GEYER
VICTOR WALDEMAR FREUND
Original Assignee
GEORGES GEYER
VICTOR WALDEMAR FREUND
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 GEORGES GEYER, VICTOR WALDEMAR FREUND filed Critical GEORGES GEYER
Application granted granted Critical
Publication of FR522257A publication Critical patent/FR522257A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR522257A 1920-08-10 1920-08-10 Safety device for doors Expired FR522257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR522257T 1920-08-10

Publications (1)

Publication Number Publication Date
FR522257A true FR522257A (en) 1921-07-28

Family

ID=8917781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR522257A Expired FR522257A (en) 1920-08-10 1920-08-10 Safety device for doors

Country Status (1)

Country Link
FR (1) FR522257A (en)

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