Vacuum flask

Details Vacuum flask Vacuum flask

1986-12-09

1989-07-25

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, D 7321

Patent

active

D03023702

REFERENCES:
patent: D93854 (1934-11-01), Schuelke
patent: D155439 (1949-10-01), Muller-Munk
patent: D218354 (1970-08-01), Kikuchi
patent: D248917 (1978-08-01), Kikuchi
Hong Kong Enterprise, Jul. 1982, p. 180, Grandeur Aluminiumware Mfg. Co., Ltd., item EJ-1, Stainless Steel Elec. Pot. bottom left.

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