Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8302117Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
Inventors
E. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
05/30/1989
RPI 971
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01/10/1989
RPI 951
#6.1
06/28/1988
RPI 923
#4.1
12/23/1986
RPI 844
#3.1
12/04/1984
RPI 737
#2.1
06/14/1983
RPI 660
#15.11
01/19/2010
RPI 2037
#21.1
Patente extinta em 26/04/98
07/01/2008
RPI 1956
#20.1
10/04/1994
RPI 1244
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