Carta-patente expirada
#21.1
Patente extinta em 22/09/2004
12/22/2009
RPI 2033
Application data
Number
PI8904881Type
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: 12/22/2009. We update with every new RPI gazette, published weekly.
Applicants
M. S. (pessoa física)
SP, BR
Inventors
M. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 22/09/2004
12/22/2009
RPI 2033
#16.1
05/30/1995
RPI 1278
#13.1
12/20/1994
RPI 1255
#9.1
08/23/1994
RPI 1238
#4.1
02/05/1991
RPI 1053
#3.2
09/11/1990
RPI 1032
#2.1
04/03/1990
RPI 1012
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.