Pedido de patente depositado
#2.1
07/25/1989
RPI 979
Application data
Number
PI8902828Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
E. P. (pessoa física)
US
E. P. (pessoa física)
US
Inventors
J. P. (pessoa física)
US
R. S. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/25/1989
RPI 979
#21.1
Patente extinta em 22/05/2004
12/22/2009
RPI 2033
#16.1
08/29/1995
RPI 1291
#13.1
05/02/1995
RPI 1274
#9.1
12/20/1994
RPI 1255
#6.1
08/23/1994
RPI 1238
#4.1
11/03/1992
RPI 1144
#3.1
11/27/1990
RPI 1043
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Same category
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