Carta-patente expirada
#21.1
Patente extinta em 16/04/2013
07/09/2013
RPI 2218
Application data
Number
PI9301562Type
Filing
Publication
The letters patent expired on 07/09/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 07/09/2013. We update with every new RPI gazette, published weekly.
Applicants
Erich Neumayer Gmbh & Co. Kg
DE
Neumayer Tekfor GmbH
DE
Inventors
E. B. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 42 12 961.3 · 04/18/1992
DE
P 42 12 962.1 · 04/18/1992
DE
P 42 12 964.8 · 04/18/1992
Abstract
A invenção se refere a uma porca fabricada pelo processo de deformação maciça, como extrusão a frio ou a quente.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 16/04/2013
07/09/2013
RPI 2218
#25.1
Transferido de: Erich Neumayer GmbH & Co. KG
08/17/2010
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