Vacuum flask

Details Vacuum flask Vacuum flask

1985-11-21

1989-05-30

Herrmann, Winifred E.

Equipment for preparing or serving food or drink not elsewhere s

Beverage or liquid serving or dispensing

Provided with flow director

D 7318

Patent

active

D03012964

REFERENCES:
patent: D97979 (1935-12-01), Ackerman
patent: D200978 (1965-04-01), Seltz
patent: D216370 (1969-12-01), Tsoo-Hing et al.
patent: D247547 (1978-03-01), Tuzee
patent: 3371807 (1968-03-01), Clouser et al.

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