Solicitação de exame técnico
#4.1
06/30/1987
RPI 871
Application data
Number
PI8506942Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
Inventors
R. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/30/1987
RPI 871
#1.3
12/23/1986
RPI 844
#21.1
Patente extinta em 07/10/2000
07/15/2008
RPI 1958
#16.1
02/04/1997
RPI 1366
#13.1
07/09/1996
RPI 1336
#9.1
01/23/1996
RPI 1312
#6.1
10/31/1995
RPI 1300
#6.1
05/09/1995
RPI 1275
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.