Railing

Details Railing Railing

2005-02-14

2008-10-21

Macarthur, Victor (Department: 3679)

Fences

Metallic

Picket

C256S067000, C256S070000

Reexamination Certificate

active

07438282

ABSTRACT:
A deck and stair railing has top and bottom rails joined to upright posts and upright tubes extended between the rails. Ball knobs mounted on plates or the rails are secured with deck screws to the rails to retain the tubes in assembled relation with the rails. The ball knobs have circumferential ribs located in force fit relation with inside surfaces of the tubes. The tubes have projections that engage the ball connectors to prevent the tubes from rotating relative to the ball connectors.

REFERENCES:
patent: 1772159 (1930-08-01), Roth
patent: 4150907 (1979-04-01), Thurnauer
patent: 4222680 (1980-09-01), Browning
patent: 4505456 (1985-03-01), Zieg
patent: 4645598 (1987-02-01), Hannum
patent: 4928930 (1990-05-01), Chung
patent: 5288058 (1994-02-01), Russell
patent: 5404682 (1995-04-01), West
patent: 5641236 (1997-06-01), Hornung et al.
patent: 6568658 (2003-05-01), Strome
patent: 2002/0134977 (2002-09-01), Gierzak et al.
patent: 2004/0089858 (2004-05-01), DeRogatis et al.
Boca International, Inc Report 21-38 Feb. 2002.

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