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Official data from INPI

PROCESSO PARA SOLIDIFICAR CARVAO COM TENDENCIA AO ESCOAMENTO E FORMACOES ROCHOSAS FROUXAS E DISPOSITIVO PARA A REALIZACAO DO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7708488

Type

Invention Patent

Filing

12/20/1977

Publication

-

Progress at the INPI

Under appeal
  1. Filing12/20/77
  2. Publication
  3. Examination
  4. Refused10/27/81
  5. Grant
  6. In force

The application was refused by the INPI on 10/27/1981. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/24/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BERGWERKSVERBAND GMBH

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.0

11/24/1981

RPI 579

Indeferimento

#9.2

10/27/1981

RPI 575

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