Spike nail structure

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – With hole forming means

Reexamination Certificate

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Details

C411S080100

Reexamination Certificate

active

07118315

ABSTRACT:
A spike nail for nailing in walls made of gypsum boards or fiber boards has a nail body which consists of a first blade and a second blade. The nail body includes a striking section, a upper guiding sleeve, a lower guiding sleeve, a screw thread guiding section and a nail point section. The spike nail thus constructed can be nailed into gypsum board or fiber board walls to facilitate hanging articles.

REFERENCES:
patent: 2601803 (1952-07-01), Newman
patent: 3148579 (1964-09-01), Giovanetti
patent: 3550499 (1970-12-01), Eilenberger
patent: 4500238 (1985-02-01), Vassiliou
patent: 4874277 (1989-10-01), Nowak et al.
patent: 5224805 (1993-07-01), Moretti et al.
patent: 5443343 (1995-08-01), Mutz et al.
patent: 5447005 (1995-09-01), Giannuzzi
patent: 6659700 (2003-12-01), Farrell et al.

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