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Official data from INPI

PROCESSO DE HIDRATAÇÃO DE CAL COM POLPA DE CARVÃO

IndeferidaInvention Patent

Application data

Number

PI8104192

Type

Invention Patent

Filing

07/01/1981

Publication

02/08/1983

Progress at the INPI

Under appeal
  1. Filing07/01/81
  2. Publication02/08/83
  3. Examination09/11/84
  4. Refused03/25/86
  5. Grant
  6. In force

The application was refused by the INPI on 03/25/1986. The invention was never patented.

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

MG, BR

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Inventors

Q. R. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/25/1986

RPI 805

Conhecimento de parecer técnico

#7.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

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