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Official data from INPI

PROCESSO DE OBTENCAO DE PRODUTO A BASE DE ESPUMA DE POLIURETANO E O RESPECTIVO PRODUTO RESULTANTE

IndeferidaInvention Patent
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Application data

Number

PI7601304

Type

Invention Patent

Filing

02/27/1976

Publication

-
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Progress at the INPI

Under appeal
  1. Filing02/27/76
  2. Publication
  3. Examination
  4. Refused11/03/81
  5. Grant
  6. In force

The application was refused by the INPI on 11/03/1981. The invention was never patented.

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Latest action published by the INPI: 11/03/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANKO IND LTDA

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/03/1981

RPI 576

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