Carta-patente expirada
#21.1
Patente extinta em 24/02/2002
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
Lawson Mardon Wheaton Ltda.
BR
S. F. (pessoa física)
SP, BR
Inventors
S. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 24/02/2002
07/01/2008
RPI 1956
#25.7
Alterada a sede conforme Pet.INPI/SP nº012146 de 22/04/97.
06/30/1998
RPI 1436
#25.1
07/08/1997
RPI 1388
#16.1
04/25/1995
RPI 1273
#13.1
11/29/1994
RPI 1252
#9.1
08/02/1994
RPI 1235
#4.1
03/16/1993
RPI 1163
#3.2
05/19/1992
RPI 1120
#2.1
03/31/1992
RPI 1113
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.