Float vent valve

Details Float vent valve Float vent valve

1984-06-13

1987-02-17

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

137202

Patent

active

D02883490

REFERENCES:
patent: D242618 (1976-12-01), Milo
patent: 691395 (1902-01-01), Logue et al.
patent: 1366028 (1921-01-01), Schlag
patent: 2476434 (1949-07-01), Spang
patent: 2528600 (1950-11-01), Lombard
patent: 2534808 (1950-12-01), Bevington, Jr. et al.
patent: 2757752 (1956-08-01), Kaufman
patent: 2767551 (1956-10-01), Clute
patent: 2871875 (1959-02-01), Dale
patent: 2909186 (1959-10-01), Larson
patent: 3736950 (1973-06-01), Smallwood

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