Pedido de patente depositado
#2.1
08/01/1989
RPI 980
Application data
Number
PI8902943Type
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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants
C. L. (pessoa física)
SP, BR
Inventors
C. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
08/01/1989
RPI 980
#21.1
Patente extinta em 01/06/2004
12/22/2009
RPI 2033
#16.1
06/27/1995
RPI 1282
#13.1
01/10/1995
RPI 1258
#9.1
09/06/1994
RPI 1240
#4.1
10/16/1990
RPI 1037
#3.2
01/23/1990
RPI 1003
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