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Official data from INPI

APERFEICOAMENTOS EM BLOCO DE CONCRETO COM RECHEIO DE ESPUMA DE MATERIAL SINTETICO OU SIMILARES

Em AnáliseInvention Patent
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Application data

Number

PI7901307

Type

Invention Patent

Filing

03/05/1979

Publication

-
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Progress at the INPI

  1. Filing03/05/79
  2. Publication
  3. Examination
  4. Refused06/14/83
  5. Grant
  6. In force

The application was refused on 06/14/1983 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/14/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. B. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

06/14/1983

RPI 660

Petição de recurso

#12.2

09/28/1982

RPI 623

Indeferimento

#9.2

04/13/1982

RPI 599

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