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Mixing bowl
US 2,765,832 A
Filed
: 05/17/1954
Issued
: 10/09/1956
Est. Priority Date
: 05/17/1954
Status: Expired due to Term
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Current Assignee
Earl S. Tupper
Original Assignee
Earl S. Tupper
Inventors
Tupper, Earl S.
Application Number
US03/430,144
Time in Patent Office
876 Days
Field of Search
US Class Current
366/341
CPC Class Codes
A47J 43/0727
Mixing bowls
B29C 65/565
involving interference fits...
B29C 66/032
Mechanical after-treatments...
B29C 66/12441
being a single wall
B29C 66/542
joining hollow covers or ho...
B29C 66/545
one hollow-preform being pl...
B29C 66/71
characterised by the compos...
B29K 2023/06
PE, i.e. polyethylene
B29K 2025/06
PS, i.e. polystyrene
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