312
04/30/1985
RPI 758
The letters patent expired on 07/13/1993: 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: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants
C. E. (pessoa física)
Inventors
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/30/1985
RPI 758
11/13/1984
RPI 734
07/17/1984
RPI 717
#17.1
02/21/1984
RPI 696
#16.1
11/29/1983
RPI 684
#13.1
08/23/1983
RPI 670
05/31/1983
RPI 658
#12.1
11/16/1982
RPI 630
#9.1
07/13/1982
RPI 612
#6.1
11/24/1981
RPI 579
#21.1
07/13/1993
RPI 1180
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.