Carta-patente expirada
#21.1
Patente extinta em 18/06/2010
01/15/2013
RPI 2193
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Application data
Number
PI9002854Type
Invention Patent
Filing
06/18/1990
Publication
08/20/1991
Progress at the INPI
- Filing06/18/90
- Publication08/20/91
- Examination08/17/93
- Allowance11/10/98
- Grant04/27/99
- Expired01/15/13
The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Sanyo Electric Co , Ltd
JP
Inventors
K. T. (pessoa física)
JP
Technical data
IPC Classification
Priority claims
JP
No. 155115/1989 · 06/16/1989
JP
No. 259060/1989 · 10/04/1989
JP
No. 295939/1989 · 11/14/1989
JP
No. 295945/1989 · 11/14/1989
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
04/27/1999
RPI 1477
Republicação - classificação IPC
#15.11
ALTERADA DE C09K 5/00
12/08/1998
RPI 1457
Deferimento
#9.1
11/10/1998
RPI 1453
Exigência - art. 36 da LPI
#6.1
06/16/1998
RPI 1434
Solicitação de exame técnico
#4.1
08/17/1993
RPI 1185
Publicação do pedido de patente
#3.1
08/20/1991
RPI 1081
Pedido de patente depositado
#2.1
10/30/1990
RPI 1039
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