Receptacles – Closures – Vent in closure
Patent
1974-06-03
1976-05-11
Price, William
Receptacles
Closures
Vent in closure
150 5, 220306, 229 25R, B65D 5116
Patent
active
039557103
ABSTRACT:
A thin gauge plastic cover having a downwardly depending, outwardly flaring side wall the upper portion of which is integrally joined to an annular top. The cover top has a plurality of combination ventilation and finger holes. The cover is also provided with a lower arcuate locking rim provided with a plurality of cut-away portions to allow the rim to expand in diameter when it is locked over the periphery of a circular plate. The cut-away portions of the locking rim also expose portions of the plate rim to permit manually restraining the plate when the cover is being removed from the plate.
REFERENCES:
patent: 2304912 (1942-12-01), Henchert
patent: 2585180 (1952-02-01), Smith
patent: 2899096 (1959-08-01), Henchert et al.
patent: 3154827 (1964-11-01), Gentry
patent: 3349950 (1967-10-01), Wanderer
patent: 3387765 (1968-06-01), Davis
patent: 3448912 (1969-06-01), Arnosky et al.
patent: 3768689 (1973-10-01), Gauthier, Jr.
patent: 3815736 (1974-06-01), Sedlak
patent: 3820685 (1974-06-01), Reisman
Bernstein Bruce H.
Huggett Charles A.
Mobil Oil Corporation
Price William
Tierney James D.
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