Publicação antecipada
#3.2
09/26/1989
RPI 988
Application data
Number
PI8901875Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Universidade Estadual de Campinas - Unicamp
SP, BR
Inventors
L. C. (pessoa física)
BR
S. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.2
09/26/1989
RPI 988
#2.1
05/30/1989
RPI 971
#21.1
Patente extinta em 20/04/2004
12/15/2009
RPI 2032
#22.1
06/13/1995
RPI 1280
#16.1
11/29/1994
RPI 1252
#13.1
06/21/1994
RPI 1229
#9.1
02/22/1994
RPI 1212
#4.1
08/14/1990
RPI 1028
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.