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US 2,989,990 A
Filed
: 07/09/1959
Issued
: 06/27/1961
Est. Priority Date
: 07/09/1959
Status: Expired due to Term
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10
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Current Assignee
Gales Ferry
,
Harold E. Bass
,
Robert F. White
Original Assignee
Gales Ferry
,
Harold E. Bass
,
Robert F. White
Inventors
Bass, Harold E.
,
GALES FERRY
,
White, Robert F.
Application Number
US03/826,048
Time in Patent Office
719 Days
Field of Search
US Class Current
137/625.42
CPC Class Codes
F16K 5/0668
Single packings
F16K 5/208
with tongue-shaped means
Y10T 137/86831
Selective opening of plural...
Y10T 137/86871
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