Receptacles – Closures – Removable closure guided in rotary movement
Patent
1980-03-24
1981-11-03
Hall, George T.
Receptacles
Closures
Removable closure guided in rotary movement
220304, 220 74, 220 72, 215217, B65D 4104
Patent
active
042981328
ABSTRACT:
This invention concerns plastic lids and pails having improved child-proof locking features. Intermittently placed teeth-like elements located on the pail and lid interlock to prevent the easy opening of the assembled pail and lid.
REFERENCES:
patent: 2827193 (1958-03-01), Martin
patent: 3924769 (1975-12-01), Fillmore
patent: 3998355 (1976-12-01), Galer
Danchuk William A.
Hall George T.
Krayer William L.
United States Steel Corporation
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