Pedido de patente depositado
#2.1
10/24/1989
RPI 992
Application data
Number
PI8903215Type
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
Inventors
B. B. (pessoa física)
US
J. S. (pessoa física)
US
T. E. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/24/1989
RPI 992
#21.1
Patente extinta em 27/07/2009
12/26/2012
RPI 2190
#16.1
07/27/1999
RPI 1490
#9.1
01/12/1999
RPI 1462
Alterada a Classificação de: Int.Cl.5 para Int.Cl.6 G06F 3/033Referência: RPI 1427 de 28/04/98Item: Despacho código 15.11
08/18/1998
RPI 1443
#15.11
Alterada a Classificação para Int.Cl.6 G06F 3/033
04/28/1998
RPI 1427
#6.1
04/28/1998
RPI 1427
#4.1
10/29/1991
RPI 1091
#3.1
02/13/1990
RPI 1006
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.