Solicitação de exame técnico
#4.1
11/14/1989
RPI 995
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Official data from INPI
PROCESSO PARA OBTENÇÃO DE MASSA DE ALTA RESISTÊNCIA
Em AnáliseInvention Patent
Application data
Number
PI8703183Type
Invention Patent
Filing
06/24/1987
Publication
01/10/1989
Progress at the INPI
- Filing06/24/87
- Publication01/10/89
- Examination11/14/89
- Allowance06/02/98
- Grant10/27/98
- Expired12/05/12
The letters patent expired on 12/05/2012: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
S. H. (pessoa física)
SP, BR
Inventors
S. H. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
01/10/1989
RPI 951
Pedido de patente depositado
#2.1
09/01/1987
RPI 880
Carta-patente expirada
#21.1
Patente extinta em 27/10/2008
12/05/2012
RPI 2187
Concessão da patente
#16.1
10/27/1998
RPI 1451
6.9
Ref. RPI 1323 de 09/04/96.
06/02/1998
RPI 1432
Deferimento
#9.1
06/02/1998
RPI 1432
Exigência - art. 36 da LPI
#6.1
04/09/1996
RPI 1323
Conhecimento de parecer técnico
#7.1
03/08/1994
RPI 1214
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