FR500300A - Indicator lock of a room occupied or not - Google Patents

Indicator lock of a room occupied or not

Info

Publication number
FR500300A
FR500300A FR500300DA FR500300A FR 500300 A FR500300 A FR 500300A FR 500300D A FR500300D A FR 500300DA FR 500300 A FR500300 A FR 500300A
Authority
FR
France
Prior art keywords
room occupied
indicator lock
indicator
lock
occupied
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
Jean-Baptiste Andrevon
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.)
JEAN BAPTISTE ANDREVON
Original Assignee
JEAN BAPTISTE ANDREVON
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 JEAN BAPTISTE ANDREVON filed Critical JEAN BAPTISTE ANDREVON
Application granted granted Critical
Publication of FR500300A publication Critical patent/FR500300A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B41/00—Locks with visible indication as to whether the lock is locked or unlocked
FR500300D 1919-05-30 1919-05-30 Indicator lock of a room occupied or not Expired FR500300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR500300T 1919-05-30

Publications (1)

Publication Number Publication Date
FR500300A true FR500300A (en) 1920-03-06

Family

ID=1535202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR500300D Expired FR500300A (en) 1919-05-30 1919-05-30 Indicator lock of a room occupied or not

Country Status (1)

Country Link
FR (1) FR500300A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455208A (en) * 1948-01-24 1948-11-30 Wirth Rudolph Door indicating device
US11486163B2 (en) * 2018-05-30 2022-11-01 Sargent Manufacturing Company Locking mechanism with status indicator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455208A (en) * 1948-01-24 1948-11-30 Wirth Rudolph Door indicating device
US11486163B2 (en) * 2018-05-30 2022-11-01 Sargent Manufacturing Company Locking mechanism with status indicator
US12006729B2 (en) 2018-05-30 2024-06-11 Sargent Manufacturing Company Locking mechanism with status indicator

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