Hatch cover

Details Hatch cover Hatch cover

1981-01-26

1982-06-15

Hall, George T.

Receptacles

Closures

Removable closure guided in rotary movement

220293, 220 38, 174 67, 339 36, B65D 4106, B65D 4136

Patent

active

043346308

ABSTRACT:
A hatch for attachment to a wall. The hatch includes a base and a cover and has interlocking pegs and grooves for securing the cover to the base.

REFERENCES:
patent: 1746926 (1930-02-01), Boyle, Jr.
patent: 3369691 (1968-02-01), Wei
patent: 3805788 (1974-04-01), Kleiner
patent: 3966073 (1976-06-01), Geisel

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