Tools and hardware – Fastener – support or mount not elsewhere specified – Escutcheon
Patent
1990-07-31
1993-06-15
Bullock, B. J.
Tools and hardware
Fastener, support or mount not elsewhere specified
Escutcheon
D 8353
Patent
active
D03364194
REFERENCES:
patent: 3113174 (1963-12-01), Spiteri
patent: 3307030 (1967-02-01), DeFrancisco
patent: 3437738 (1969-04-01), Wagner
patent: 3840692 (1974-10-01), Wells
patent: 4798916 (1989-01-01), Engel et al.
patent: 4825339 (1989-04-01), Boudon
patent: 4833277 (1989-05-01), Jacoby
patent: 4952755 (1990-08-01), Engel et al.
Handbook of Pictorial Symbols; R. Modley; .COPYRGT.1976; p. 50; light bulb symbol (row 4).
Handbook of Pictorial Symbols; R. Modley; .COPYRGT.1976; p. 48; plug symbol (row 5).
Bullock B. J.
Gernstein Terry M.
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