Concessão da patente
#16.1
08/28/1984
RPI 723
The patent was granted on 08/28/1984 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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants
HUELS CHEMISCHE WERKE AG
Inventors
E. J. (pessoa física)
N. K. (pessoa física)
S. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/28/1984
RPI 723
#13.1
06/26/1984
RPI 714
#9.1
03/07/1984
RPI 698
#6.1
09/13/1983
RPI 673
#15.11
04/26/1983
RPI 653
#6.1
02/01/1983
RPI 641
04/13/1982
RPI 599
#18.2
01/28/1992
RPI 1104
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.