Pedido de patente depositado
#2.1
10/17/1989
RPI 991
Application data
Number
PI8903963Type
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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Sterling Canada, Inc
US
Superior Plus Inc.
CA
Superior Propane, Inc.
CA
Inventors
M. F. (pessoa física)
CA
M. Z. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/17/1989
RPI 991
#21.1
Patente extinta em 07/08/2004
12/22/2009
RPI 2033
#25.4
Alterado de: Superior Propane, Inc.
04/25/2006
RPI 1842
#25.12
Referente a RPI 1797 de 14/06/2005 Cód. (25.1) quanto ao nome do titular.
04/11/2006
RPI 1840
#25.1
Transferido de: Sterling Canada, Inc.
06/14/2005
RPI 1797
#16.1
09/24/1996
RPI 1347
#13.1
03/05/1996
RPI 1318
#9.1
09/26/1995
RPI 1295
#6.1
03/01/1995
RPI 1265
04/27/1993
RPI 1169
#4.1
10/23/1990
RPI 1038
#3.1
03/20/1990
RPI 1010
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.