Carta-patente expirada
#21.1
Patente extinta em 30/12/2011
07/16/2013
RPI 2219
The letters patent expired on 07/16/2013: 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: 07/16/2013. We update with every new RPI gazette, published weekly.
Applicants
Metalúrgica H Wanke S/A.
SC, BR
Wanke S/A
SC, BR
Inventors
A. W. (pessoa física)
BR
E. W. (pessoa física)
BR
N. W. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 30/12/2011
07/16/2013
RPI 2219
#25.4
Alterado de: Metalúrgica H. Wanke S/A
09/20/2005
RPI 1811
#16.1
01/06/2004
RPI 1722
#9.1
02/25/2003
RPI 1677
#6.1
10/08/2002
RPI 1657
#3.2
01/21/1998
RPI 1413
#2.1
04/29/1997
RPI 1378
Same category
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