Solicitação de exame técnico
#4.1
02/03/1987
RPI 850
Application data
Number
PI8600381Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
N. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/03/1987
RPI 850
#3.1
10/14/1986
RPI 834
#2.1
07/22/1986
RPI 822
#21.1
Patente extinta em 30/01/2001
07/22/2008
RPI 1959
#16.1
05/31/1994
RPI 1226
#9.1
10/26/1993
RPI 1195
#6.1
09/29/1992
RPI 1139
#15.11
11/12/1991
RPI 1093
#6.1
06/11/1991
RPI 1071
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.