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Official data from INPI

PROCESSO E APARELHO PARA DETERMINACAO DO GRAU DE COZIMENTO EM UM DIGESTOR DE SULFITO DE SISTEMA DE DESLIGNIFICACAO

IndeferidaInvention Patent

Application data

Number

PI8306460

Type

Invention Patent

Filing

11/24/1982

Publication

06/26/1984

Progress at the INPI

Under appeal
  1. Filing11/24/82
  2. Publication06/26/84
  3. Examination09/25/84
  4. Refused08/01/89
  5. Grant
  6. In force

The application was refused by the INPI on 08/01/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

J. K. (pessoa física)

K. A. (pessoa física)

K. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/01/1989

RPI 980

Conhecimento de parecer técnico

#7.1

05/10/1988

RPI 916

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

09/25/1984

RPI 727

Publicação do pedido de patente

#3.1

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

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