Concessão da patente
#16.1
11/24/1987
RPI 892
The letters patent expired on 12/07/1993: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
09/15/1987
RPI 882
07/07/1987
RPI 872
03/04/1987
RPI 854
06/24/1986
RPI 818
#12.2
01/07/1986
RPI 794
#9.2
09/10/1985
RPI 777
#6.1
10/23/1984
RPI 731
#4.1
05/25/1982
RPI 605
#3.1
03/09/1982
RPI 594
#21.1
12/07/1993
RPI 1201
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.