Director-diffuser for a fire hydrant

Details Director-diffuser for a fire hydrant Director-diffuser for a fire hydrant

1989-12-06

1992-01-07

Vinson, Brian N.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Fitting

D23234

Patent

active

D03230236

REFERENCES:
patent: D33257 (1900-09-01), Kelly
patent: D45301 (1914-02-01), Heller
patent: D157807 (1950-03-01), Warren
patent: 2424682 (1947-07-01), Ebert
patent: 3363640 (1968-01-01), Gallo, Sr.
patent: 4602654 (1986-07-01), Stehling et al.
Walworth Catalogue (1938), p. 397 , 1/8 bend soil pipe fitting, No. 2310.

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