Vacuum flask

Details Vacuum flask Vacuum flask

1999-11-12

2001-01-30

Pandozzi, M. N. (Department: 2913)

Compound tools

Cutter combined with other tool or tools

Design Patent

active

D0436791

CLAIM:
The ornamental design for vacuum flask, as shown and described.

REFERENCES:
patent: D. 163491 (1951-05-01), Stair
patent: D. 183473 (1958-09-01), Willis
patent: D. 343983 (1994-02-01), Tardif
patent: D. 352863 (1994-11-01), VerHoven
patent: D. 369945 (1996-05-01), Mulyanto
patent: D. 373923 (1996-09-01), Huang
patent: D. 402154 (1998-12-01), Joergensen
patent: D. 418715 (2000-01-01), Huang
patent: D. 420545 (2000-02-01), Huang

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