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Official data from INPI

APARELHAGEM PARA A REGENERACAO AUTOMATICA DO CATALISADOR;PROCESSO PARA A ESTIMATIVA DA SELETIVIDADE DO CATALISADOR;APARELHAGEM PARA A REACAO CATALITICA COM REGENERACAO AUTOMATICA DO CATALISADOR

ConcedidaInvention Patent
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Application data

Number

PI8401766

Type

Invention Patent

Filing

04/25/1983

Publication

12/04/1984
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Progress at the INPI

  1. Filing04/25/83
  2. Publication12/04/84
  3. Examination03/12/85
  4. Allowance09/23/86
  5. Grant06/30/87
  6. Terminated06/06/95

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

A. C. (pessoa física)

Technical data

IPC Classification

C10G 49/26

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

02/17/1987

RPI 852

Deferimento

#9.1

09/23/1986

RPI 831

Exigência - art. 36 da LPI

#6.1

12/03/1985

RPI 789

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

12/04/1984

RPI 737

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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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