18.8
11/14/1989
RPI 995
The letters patent expired on 07/06/1993: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
MELLO E
Inventors
M. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/14/1989
RPI 995
#18.2
11/07/1989
RPI 994
#20.1
07/16/1985
RPI 769
05/31/1983
RPI 658
#16.1
03/29/1983
RPI 649
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
#6.1
01/12/1982
RPI 586
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.