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Official data from INPI

METODO E APARELHO PARA DIMINUIR PERDAS NUM PROCESSO DE COMBUSTAO

ConcedidaInvention Patent

Application data

Number

PI8306128

Type

Invention Patent

Filing

11/01/1982

Publication

06/12/1984

Progress at the INPI

  1. Filing11/01/82
  2. Publication06/12/84
  3. Examination10/16/84
  4. Allowance09/10/85
  5. Grant05/27/86
  6. Terminated05/09/95

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

I. K. (pessoa física)

L. P. (pessoa física)

P. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Solicitação de exame técnico

#4.1

10/16/1984

RPI 730

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

Pedido de licença compulsória

#20.1

12/03/1991

RPI 1096

Pedido de licença compulsória

#20.1

11/26/1991

RPI 1095

20.10

11/19/1991

RPI 1094

Pedido de licença compulsória

#20.1

11/05/1991

RPI 1092

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