Carta-patente expirada
#21.1
Patente extinta em 02/07/2000
07/01/2008
RPI 1956
The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.
Applicants
H. S. (pessoa física)
SP, BR
Metalúrgica Detroit S/A.
SP, BR
Inventors
H. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 02/07/2000
07/01/2008
RPI 1956
#25.1
01/21/1998
RPI 1413
#16.1
10/29/1996
RPI 1352
#13.1
06/18/1996
RPI 1333
04/16/1996
RPI 1324
05/16/1995
RPI 1276
#12.1
05/10/1994
RPI 1223
#9.1
01/18/1994
RPI 1207
#4.1
03/19/1991
RPI 1059
#3.2
01/08/1991
RPI 1049
#2.1
10/16/1990
RPI 1037
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.