Deferimento
#9.1
11/28/1989
RPI 997
Application data
Number
PI8402279Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Hylsa S.A.
MX
Inventors
E. M. (pessoa física)
J. B. (pessoa física)
MX
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
11/28/1989
RPI 997
#6.1
07/18/1989
RPI 978
#4.1
01/13/1987
RPI 847
#3.1
12/26/1984
RPI 740
#2.1
07/24/1984
RPI 718
#21.1
Patente extinta em 14/05/99
07/08/2008
RPI 1957
#16.1
06/26/1990
RPI 1024
#13.1
04/03/1990
RPI 1012
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.