Pedido de patente depositado
#2.1
09/19/1989
RPI 987
Application data
Number
PI8903452Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
Inventors
D. S. (pessoa física)
DE
J. M. (pessoa física)
DE
R. W. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
09/19/1989
RPI 987
#21.1
Patente extinta em 13/07/2004
12/22/2009
RPI 2033
#16.1
07/25/1995
RPI 1286
#13.1
05/02/1995
RPI 1274
#15.11
05/02/1995
RPI 1274
#9.1
12/20/1994
RPI 1255
#4.1
03/24/1992
RPI 1112
#3.1
03/06/1990
RPI 1008
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.