Concessão da patente
#16.1
05/31/1988
RPI 919
The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
E. W. (pessoa física)
Inventors
W. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
02/09/1988
RPI 903
#9.1
10/06/1987
RPI 885
#6.1
09/30/1986
RPI 832
#4.1
12/31/1985
RPI 793
#3.1
12/04/1984
RPI 737
#2.1
06/14/1983
RPI 660
#18.2
03/10/1992
RPI 1110
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.