CH4913A - An advanced spring door closer system - Google Patents

An advanced spring door closer system

Info

Publication number
CH4913A
CH4913A CH4913A CH4913DA CH4913A CH 4913 A CH4913 A CH 4913A CH 4913 A CH4913 A CH 4913A CH 4913D A CH4913D A CH 4913DA CH 4913 A CH4913 A CH 4913A
Authority
CH
Switzerland
Prior art keywords
door closer
spring door
closer system
advanced spring
advanced
Prior art date
Application number
CH4913A
Other languages
French (fr)
Inventor
Samuel-Sealy Allin
Original Assignee
Allin Samuel Sealy
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 Allin Samuel Sealy filed Critical Allin Samuel Sealy
Publication of CH4913A publication Critical patent/CH4913A/en

Links

CH4913A 1892-04-23 1892-04-23 An advanced spring door closer system CH4913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4913T 1892-04-23

Publications (1)

Publication Number Publication Date
CH4913A true CH4913A (en) 1892-08-31

Family

ID=4188214

Family Applications (1)

Application Number Title Priority Date Filing Date
CH4913A CH4913A (en) 1892-04-23 1892-04-23 An advanced spring door closer system

Country Status (1)

Country Link
CH (1) CH4913A (en)

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