Concessão da patente
#16.1
07/26/1988
RPI 927
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Application data
Number
PI8301156Type
Invention Patent
Filing
03/09/1983
Publication
10/16/1984
Progress at the INPI
- Filing03/09/83
- Publication10/16/84
- Examination02/05/85
- Allowance11/03/87
- Grant07/26/88
- Expired07/01/08
The letters patent expired on 07/01/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Cardal Eletro Metalúrgica Ltda.
SP, BR
Inventors
C. C. (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
11/03/1987
RPI 889
11.8
09/01/1987
RPI 880
Retificação
#15.3
02/17/1987
RPI 852
Exigência - art. 36 da LPI
#6.1
05/06/1986
RPI 811
Solicitação de exame técnico
#4.1
02/05/1985
RPI 746
Publicação do pedido de patente
#3.1
10/16/1984
RPI 730
Pedido de patente depositado
#2.1
04/26/1983
RPI 653
Carta-patente expirada
#21.1
Patente extinta em 09/03/98
07/01/2008
RPI 1956
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