Liquid purification or separation – Filter – Pipe or plate attached type
Reexamination Certificate
2011-03-22
2011-03-22
Savage, Matthew O. (Department: 1723)
Liquid purification or separation
Filter
Pipe or plate attached type
C210S467000, C239S033000
Reexamination Certificate
active
07909176
ABSTRACT:
The invention includes a drinking straw with an inverted funnel-shaped net retained near a lower end of the straw. The net traps ice at the lower end of the straw to cool liquid drawn into the lower end of the straw.
REFERENCES:
patent: 1847879 (1932-03-01), Knecht
patent: 4938375 (1990-07-01), Fantacone
patent: 5547103 (1996-08-01), Murphy et al.
Hanscou Eric
Langford Todd J.
Savage Matthew O.
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