Carta-patente expirada
#21.1
Patente extinta em 21/12/2010
05/28/2013
RPI 2212
Application data
Number
PI9007175Type
Filing
Publication
PCT
DE1990000994 The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Wilkhahn, Wilkening + Hahne GmbH + Co.
DE
Inventors
B. S. (pessoa física)
DE
F. B. (pessoa física)
DE
H. R. (pessoa física)
DE
H. F. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 21/12/2010
05/28/2013
RPI 2212
#16.1
09/29/1998
RPI 1449
#9.1
11/04/1997
RPI 1405
#6.1
06/11/1996
RPI 1332
#4.1
11/23/1993
RPI 1199
#1.3.1
03/03/1992
RPI 1109
#1.3
12/10/1991
RPI 1097
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.