20.4
06/16/1987
RPI 869
The patent was granted on 05/31/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/16/1987. We update with every new RPI gazette, published weekly.
Applicants
R. A. (pessoa física)
Inventors
H. G. (pessoa física)
J. H. (pessoa física)
K. U. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/16/1987
RPI 869
#16.1
05/31/1983
RPI 658
#13.1
01/25/1983
RPI 640
#9.1
09/21/1982
RPI 622
#6.1
05/25/1982
RPI 605
#6.1
12/29/1981
RPI 584
#18.2
09/18/1990
RPI 1033
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.