Solicitação de exame técnico
#4.1
03/08/1988
RPI 907
Application data
Number
PI8703677Type
Filing
Publication
The letters patent expired on 12/05/2012: 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: 03/08/1988. We update with every new RPI gazette, published weekly.
Applicants
L. F. (pessoa física)
SP, BR
Universidade de São Paulo - USP
SP, BR
Inventors
L. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/08/1988
RPI 907
#3.2
01/05/1988
RPI 898
#2.1
10/06/1987
RPI 885
#21.1
Patente extinta em 29/12/2008
12/05/2012
RPI 2187
#16.1
12/29/1998
RPI 1460
#13.1
02/04/1997
RPI 1366
#9.1
04/09/1996
RPI 1323
#6.1
02/07/1995
RPI 1262
From the same holder
Same category
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