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Official data from INPI

CADERNO PEDAGOGICO

Em AnáliseInvention Patent

Application data

Number

PI7802757

Type

Invention Patent

Filing

05/02/1978

Publication

-

Progress at the INPI

  1. Filing05/02/78
  2. Publication
  3. Examination
  4. Refused10/19/82
  5. Grant
  6. In force

The application was refused on 10/19/1982 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/19/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAO PAULO IND DE PAPEL CO MELH

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

10/19/1982

RPI 626

Petição de recurso

#12.2

04/27/1982

RPI 601

Indeferimento

#9.2

12/22/1981

RPI 583

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