Carta-patente expirada
#21.1
Patente extinta em 25/10/2009
12/26/2012
RPI 2190
Application data
Number
PI8905431Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Union Oil Company of California
US
Inventors
D. Y. (pessoa física)
US
J. I. (pessoa física)
US
IPC Classification
Priority claims
US
262.961 · 10/28/1988
US
262.962 · 10/28/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 25/10/2009
12/26/2012
RPI 2190
Desconhecida a Petição nº 025167/RJ de 15/05/2002, uma vez que a Patente expirou em 29/06/2009.
12/13/2011
RPI 2136
#16.1
06/29/1999
RPI 1486
#9.1
12/15/1998
RPI 1458
#6.1
05/12/1998
RPI 1429
#6.1
01/16/1996
RPI 1311
#4.1
09/01/1992
RPI 1135
#3.1
05/22/1990
RPI 1019
#2.1
04/03/1990
RPI 1012
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.