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Official data from INPI

METODO PARA OTIMIZAR UMA OPERACAO DE SOPRAMENTO DE FULIGEM

ConcedidaInvention Patent

Application data

Number

PI8403344

Type

Invention Patent

Filing

07/14/1983

Publication

06/18/1985

Progress at the INPI

  1. Filing07/14/83
  2. Publication06/18/85
  3. Examination10/29/85
  4. Allowance02/09/88
  5. Grant08/30/88
  6. Terminated06/20/95

The patent was granted on 08/30/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

D. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

06/07/1988

RPI 920

Deferimento

#9.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

06/18/1985

RPI 765

Pedido de patente depositado

#2.1

09/11/1984

RPI 725

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Pedido de licença compulsória

#20.1

09/17/1991

RPI 1085

Pedido de licença compulsória

#20.1

09/10/1991

RPI 1084

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