Carta-patente expirada
#21.1
Patente extinta em 13/11/2004
12/29/2009
RPI 2034
Application data
Number
PI8907169Type
Filing
Publication
PCT
US1989004940 The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
J. M. (pessoa física)
US
Inventors
J. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 13/11/2004
12/29/2009
RPI 2034
#16.1
11/28/1995
RPI 1304
#13.1
07/18/1995
RPI 1285
#9.1
03/01/1995
RPI 1265
#6.1
08/09/1994
RPI 1236
#4.1
08/03/1993
RPI 1183
06/15/1993
RPI 1176
#1.3
02/26/1991
RPI 1056
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.