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Official data from INPI

PROCESSO DE AGLOMERAÇÃO DE FINOS DE CARVÃO VEGETAL OU MINERAL

IndeferidaInvention Patent

Application data

Number

PI8206364

Type

Invention Patent

Filing

10/26/1982

Publication

06/05/1984

Progress at the INPI

Under appeal
  1. Filing10/26/82
  2. Publication06/05/84
  3. Examination10/09/84
  4. Refused06/07/88
  5. Grant
  6. In force

The application was refused by the INPI on 06/07/1988. The invention was never patented.

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Latest action published by the INPI: 06/07/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mannesmann S.A.

MG, BR

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Inventors

H. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/07/1988

RPI 920

Conhecimento de parecer técnico

#7.1

06/16/1987

RPI 869

Pedido de certificado de adição de invenção

#5.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

10/09/1984

RPI 729

Publicação do pedido de patente

#3.1

06/05/1984

RPI 711

Pedido de patente depositado

#2.1

12/21/1982

RPI 635

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