Spring screw

Details Spring screw Spring screw

1996-05-31

1998-03-10

Bullock, B. J.

Tools and hardware

Fastener, support or mount not elsewhere specified

Fastener or coupling

D8387, 0808

Patent

active

D03918440

REFERENCES:
patent: D255772 (1980-07-01), Johnson
patent: D283591 (1986-04-01), Swanstrom
patent: D357176 (1995-04-01), Ernest et al.
patent: 3437119 (1969-04-01), Dey
patent: 4720223 (1988-01-01), Neights
Southco Fasteners; p. 4; No. 53--Spring ejection screw fasteners, .COPYRGT.1967.

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