Concessão da patente
#16.1
12/29/1987
RPI 897
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Official data from INPI
PROCESSO E COMPOSIÇÃO APERFEIÇOADOS PARA ELETRODEPOSIÇÃO DE NÍQUEL
ConcedidaInvention Patent
Progress at the INPI
- Filing10/30/79
- Publication
- Examination08/17/82
- Allowance07/14/87
- Grant12/29/87
- Expired05/02/95
The letters patent expired on 05/02/1995: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
M & T Chemicals Inc.
US
Inventors
K. L. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
11/10/1987
RPI 890
Deferimento
#9.1
07/14/1987
RPI 873
Exigência - art. 36 da LPI
#6.1
09/30/1986
RPI 832
Exigência - art. 36 da LPI
#6.1
01/31/1984
RPI 693
Solicitação de exame técnico
#4.1
08/17/1982
RPI 617
Carta-patente expirada
#21.1
05/02/1995
RPI 1274
20.4
03/08/1994
RPI 1214
20.4
10/22/1991
RPI 1090
Pedido de licença compulsória
#20.1
10/15/1991
RPI 1089
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