Concessão da patente
#16.1
02/23/1988
RPI 905
The letters patent expired on 07/26/1994: 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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
DYNAMIT NOBEL AG
Inventors
B. R. (pessoa física)
K. W. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/23/1988
RPI 905
#13.1
12/29/1987
RPI 897
#9.1
09/01/1987
RPI 880
#7.1
04/09/1985
RPI 755
03/16/1982
RPI 595
#21.1
07/26/1994
RPI 1234
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.