Solicitação de exame técnico
#4.1
03/24/1987
RPI 857
Application data
Number
PI8505597Type
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: 03/24/1987. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
I. C. (pessoa física)
US
Inventors
D. C. (pessoa física)
US
E. P. (pessoa física)
US
M. Y. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/24/1987
RPI 857
#3.1
12/16/1986
RPI 843
#2.1
01/14/1986
RPI 795
#21.1
Patente extinta em 07/11/2000
07/15/2008
RPI 1958
#25.1
11/04/1997
RPI 1405
#25.4
10/28/1997
RPI 1404
#25.7
10/21/1997
RPI 1403
#16.1
06/25/1991
RPI 1073
#13.1
01/29/1991
RPI 1052
#9.1
10/16/1990
RPI 1037
#6.1
05/08/1990
RPI 1017
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.