Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent
2002-06-10
2004-01-06
Taylor, Robin V. (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Design Patent
active
D0484953
CLAIM:
The ornamental design for a flexible tube having a variable stiffness bellows, as shown and described.
REFERENCES:
patent: 1547431 (1925-07-01), Mallory
patent: 3050087 (1962-08-01), Caplan
patent: D221078 (1971-07-01), Seckel et al.
patent: 3842865 (1974-10-01), Torricelli
patent: 6056018 (2000-05-01), Renaud
E. I. duPont de Nemours and Company
Taylor Robin V.
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