Concessão da patente
#16.1
06/02/1987
RPI 867
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Official data from INPI
PROCESSO PARA RECOZIMENTO DE ARTIGOS DE METAL EM UMA ATMOSFERA DE FORNO.
ConcedidaInvention Patent
Application data
Number
PI8105325Type
Invention Patent
Filing
08/20/1981
Publication
05/04/1982
Progress at the INPI
- Filing08/20/81
- Publication05/04/82
- Examination07/13/82
- Allowance09/02/86
- Grant06/02/87
- Terminated09/25/90
The patent was granted on 06/02/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
AIR PRODUCTS AND CHEMICALS, INC.
Inventors
E. [. (pessoa física)
S. [. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
12/23/1986
RPI 844
Deferimento
#9.1
09/02/1986
RPI 828
Exigência - art. 36 da LPI
#6.1
12/24/1985
RPI 792
6.5
02/12/1985
RPI 747
Solicitação de exame técnico
#4.1
07/13/1982
RPI 612
Publicação do pedido de patente
#3.1
05/04/1982
RPI 602
Anuidade - prazo legal encerrado
#18.2
09/25/1990
RPI 1034
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