Concessão da patente
#16.1
06/28/1988
RPI 923
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Application data
Number
PI8303598Type
Invention Patent
Filing
07/05/1983
Publication
02/20/1985
Progress at the INPI
- Filing07/05/83
- Publication02/20/85
- Examination04/30/85
- Allowance11/10/87
- Grant06/28/88
- Expired08/19/08
The letters patent expired on 08/19/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
METALURGICA PACRI IND E COMERC [BR]
Inventors
D. W. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
03/01/1988
RPI 906
Deferimento
#9.1
11/10/1987
RPI 890
Exigência - art. 36 da LPI
#6.1
08/26/1986
RPI 827
Solicitação de exame técnico
#4.1
04/30/1985
RPI 758
Publicação do pedido de patente
#3.1
02/20/1985
RPI 748
14.7
01/02/1985
RPI 741
14.4
12/26/1984
RPI 740
Pedido de patente depositado
#2.1
08/16/1983
RPI 669
Republicação - classificação IPC
#15.11
01/12/2010
RPI 2036
Carta-patente expirada
#21.1
Patente extinta em 05/07/98
08/19/2008
RPI 1963
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