FR413882A - Door knob with electric current switch - Google Patents

Door knob with electric current switch

Info

Publication number
FR413882A
FR413882A FR413882DA FR413882A FR 413882 A FR413882 A FR 413882A FR 413882D A FR413882D A FR 413882DA FR 413882 A FR413882 A FR 413882A
Authority
FR
France
Prior art keywords
electric current
current switch
door knob
knob
door
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
Paul Hackenberger
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.)
PAUL HACKENBERGER
Original Assignee
PAUL HACKENBERGER
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 PAUL HACKENBERGER filed Critical PAUL HACKENBERGER
Application granted granted Critical
Publication of FR413882A publication Critical patent/FR413882A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
FR413882D 1910-03-21 1910-03-21 Door knob with electric current switch Expired FR413882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR413882T 1910-03-21

Publications (1)

Publication Number Publication Date
FR413882A true FR413882A (en) 1910-08-20

Family

ID=1457633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR413882D Expired FR413882A (en) 1910-03-21 1910-03-21 Door knob with electric current switch

Country Status (1)

Country Link
FR (1) FR413882A (en)

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