Deferimento
#9.1
11/14/1989
RPI 995
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Official data from INPI
LIGA DE NÍQUEL RESISTENTE À CORROSÃO E ARTIGO APROPRIADO PARA SOLDAGEM
DeferidaInvention Patent
Application data
Number
PI8104377Type
Invention Patent
Filing
07/09/1981
Publication
03/23/1982
Progress at the INPI
- Filing07/09/81
- Publication03/23/82
- Examination08/17/82
- Allowance11/14/89
- Grant05/29/90
- Expired10/08/96
The letters patent expired on 10/08/1996: 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
Haynes International, Inc
US
Inventors
A. A. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
14.1
08/29/1989
RPI 984
14.7
08/22/1989
RPI 983
Retificação
#15.6
05/16/1989
RPI 969
Retificação
#15.3
12/13/1988
RPI 947
Exigência - art. 36 da LPI
#6.1
01/21/1987
RPI 848
Exigência - art. 36 da LPI
#6.1
04/08/1986
RPI 807
Conhecimento de parecer técnico
#7.1
01/29/1985
RPI 745
Solicitação de exame técnico
#4.1
08/17/1982
RPI 617
Publicação do pedido de patente
#3.1
03/23/1982
RPI 596
Carta-patente expirada
#21.1
10/08/1996
RPI 1349
Concessão da patente
#16.1
05/29/1990
RPI 1020
Notificação para pagamento de retribuição
#13.1
03/20/1990
RPI 1010
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