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R & D Tool & Engineering Co.

Also on record
Records under this name other than the patents R & D Tool & Engineering Co. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 20 patents it holds.

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PatentTitleStatus Expires Confidence
US D908,014Container
Formerly held
In force
 · High confidence
In forceHigh confidence
US D957,946Container
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,267,537Lock apparatus for the base portion of a blow mold
Term ended
Term ended Oct 1, 2025 · From the USPTO record
Term endedTerm ended Oct 1, 2025From the USPTO record
US D595,581Bottle base
Term ended
Term ended Jul 7, 2023 · From the USPTO record
Term endedTerm ended Jul 7, 2023From the USPTO record
US 6,902,119Injection molding distribution manifold having improved uniformity of manifold block temperatures
Term ended
Term ended Apr 17, 2023 · From the USPTO record
Term endedTerm ended Apr 17, 2023From the USPTO record
US 6,824,377Blow station bottom plug actuating mechanism
Term ended
Term ended Mar 1, 2023 · From the USPTO record
Term endedTerm ended Mar 1, 2023From the USPTO record
US 6,923,638Apparatus for obtaining balanced flow of hot melt in a distribution manifold
Term ended
Term ended Jan 3, 2023 · From the USPTO record
Term endedTerm ended Jan 3, 2023From the USPTO record
US 7,121,819Injection molding distribution manifold having improved end heaters
Term ended
Ended no later than Jan 3, 2023 · From the USPTO record
Term endedEnded no later than Jan 3, 2023From the USPTO record
US 6,726,467Injection molding nozzle
Term ended
Term ended Oct 16, 2022 · From the USPTO record
Term endedTerm ended Oct 16, 2022From the USPTO record
US 7,481,644Universal mounting brackets for attaching a hot injection manifold to the lower die set of an injection blow molding machine
Lapsed on the fee record
Ended Jan 27, 2017 · From the USPTO record
Lapsed on the fee recordEnded Jan 27, 2017From the USPTO record
10 of 17 patents shown.
Pro members see all 17.
Pro members: see all 17 patents
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