FR538737A - Lock enhancements - Google Patents

Lock enhancements

Info

Publication number
FR538737A
FR538737A FR538737DA FR538737A FR 538737 A FR538737 A FR 538737A FR 538737D A FR538737D A FR 538737DA FR 538737 A FR538737 A FR 538737A
Authority
FR
France
Prior art keywords
enhancements
lock
lock enhancements
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
Kintaro Horiguchi
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 filed Critical
Application granted granted Critical
Publication of FR538737A publication Critical patent/FR538737A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • E05B47/0045—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets keys with permanent magnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
FR538737D 1921-07-27 1921-07-27 Lock enhancements Expired FR538737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR538737T 1921-07-27

Publications (1)

Publication Number Publication Date
FR538737A true FR538737A (en) 1922-06-14

Family

ID=8928382

Family Applications (1)

Application Number Title Priority Date Filing Date
FR538737D Expired FR538737A (en) 1921-07-27 1921-07-27 Lock enhancements

Country Status (1)

Country Link
FR (1) FR538737A (en)

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