Coupling nut

Details Coupling nut Coupling nut

1996-07-19

1998-02-17

Shooman, Ted

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Fitting

D8398, 2301

Patent

active

D03909239

REFERENCES:
patent: D16160 (1885-07-01), Crane
patent: D43713 (1913-03-01), Campbell
patent: D54781 (1920-03-01), Sheffner
patent: D258379 (1981-02-01), Joseph
patent: D277454 (1985-02-01), Meinhardt
patent: 2286263 (1942-06-01), Comins
patent: 5061077 (1991-10-01), Whiteman, Jr.
patent: 5525215 (1996-06-01), Marchionda
Thos. Somerville Co. Plumbing, Heating & Mill Supplies Cat. 52 of 1952; p. 298--item on upper right indicated by arrow, 1952.

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