Door closer

Tools and hardware – Locking or closing device

Patent

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0807

Patent

active

D03904423

REFERENCES:
patent: D214028 (1969-05-01), Weiner
patent: D229479 (1973-12-01), Borsani
patent: D260729 (1981-09-01), Iseki
patent: D310952 (1990-10-01), Finkelstein
patent: 1586836 (1926-06-01), Tarsons
Catalog Product D850, Posi-Action Spring Door Closer, Dent Manufacturing, Inc., Northhampton, PA.
Catalog Product 2882 Series, Door Closer, Standard-Keil Hardware Manufacturing Co., Allenwood, N.J.
Catalog Product 1094, Hydraulic Door Closer, Kason Industries, Inc. Shenandoah, GA.
Catalog Product 1092, 1093, Hydraulic Door Closers, Kason Industries, Inc., Shenandoah, GA.
Catalog Product 1091, 1097, Door Closers, Kason Industries, Inc., Shenandoah, GA.

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