Concessão da patente
#16.1
04/29/1986
RPI 810
The letters patent expired on 11/15/1994: 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: 04/29/1986. We update with every new RPI gazette, published weekly.
Applicants
S. P. (pessoa física)
Inventors
S. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/29/1986
RPI 810
#13.1
01/14/1986
RPI 795
#9.1
09/10/1985
RPI 777
#7.1
03/05/1985
RPI 750
#4.1
12/14/1982
RPI 634
#3.2
08/10/1982
RPI 616
#2.1
06/22/1982
RPI 609
#21.1
11/15/1994
RPI 1250
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.