Convertible stopper for a wide mouth thermos

Details Convertible stopper for a wide mouth thermos Convertible stopper for a wide mouth thermos

1976-01-22

1977-02-08

Hart, Ro E.

Bottles and jars

Multilayer barrier structure

Insulating material between spaced wall panels

A47J 4100

Patent

active

040068358

ABSTRACT:
A thermos bottle utilizing a wide opening vacuum filler is disclosed. The thermos is provided with a compound stopper removably engaging the thermos for converting the wide mouth thermos to a narrow mouth configuration.

REFERENCES:
patent: 658382 (1900-09-01), Low
patent: 658383 (1900-09-01), Low
patent: 660435 (1900-10-01), Hilgenberg
patent: 2385847 (1945-10-01), Skar
patent: 2788149 (1957-04-01), Brown
patent: 3016159 (1962-01-01), Bramming
patent: 3298554 (1967-01-01), Piker
patent: 3438116 (1969-04-01), Stengle

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