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Circular canister type vacuum cleaners
US 2,892,511 A
Filed
: 11/16/1955
Issued
: 06/30/1959
Est. Priority Date
: 11/16/1955
Status: Expired due to Term
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Current Assignee
Francis A. Gall
,
Walter Krzesiewski
Original Assignee
Francis A. Gall
,
Walter Krzesiewski
Inventors
Gall, Francis A.
,
WALTER KRZESIEWSKI
Application Number
US03/547,174
Time in Patent Office
1,322 Days
Field of Search
US Class Current
55/357
CPC Class Codes
A47L 5/365
of the vertical type, e.g. ...
A47L 9/1427
Means for mounting or attac...
A47L 9/149
Emptying means; Reusable bags
Y10S 55/03
Vacuum cleaner
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