Carta-patente expirada
#21.1
Patente extinta em 03/01/2010
01/02/2013
RPI 2191
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Official data from INPI
Processo para o tratamento de materiais de construção porosos
Arquivada/ExtintaInvention Patent
Application data
Number
PI9000022Type
Invention Patent
Filing
01/03/1990
Publication
10/09/1990
Progress at the INPI
- Filing01/03/90
- Publication10/09/90
- Examination03/16/93
- Allowance09/09/97
- Grant07/28/98
- Expired01/02/13
The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
J. M. (pessoa física)
NO
Norwegian Concrete Technologies A/S
NO
Inventors
J. M. (pessoa física)
NO
Technical data
IPC Classification
Priority claims
US
333,300 · 04/04/1989
US
364,580 · 06/09/1989
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
07/28/1998
RPI 1440
Republicação - classificação IPC
#15.11
09/09/1997
RPI 1397
Deferimento
#9.1
09/09/1997
RPI 1397
Exigência - art. 36 da LPI
#6.1
12/24/1996
RPI 1360
14.1
07/02/1996
RPI 1335
Exigência - art. 36 da LPI
#6.1
11/21/1995
RPI 1303
6.2
03/28/1995
RPI 1269
Solicitação de exame técnico
#4.1
03/16/1993
RPI 1163
Publicação do pedido de patente
#3.1
10/09/1990
RPI 1036
Pedido de patente depositado
#2.1
05/01/1990
RPI 1016
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