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Official data from INPI

SOLUÇÃO PARA TRATAMENTO DE METAL, SOLUÇÃO AQUOSA E PROCESSO PARA TRATAR UMA SUPERFÍCIE DE METAL

ArquivadaInvention PatentPCT · US1989005015

Application data

Number

PI8907770

Type

Invention Patent

Filing

11/13/1989

Publication

08/20/1991

PCT

US1989005015

Progress at the INPI

  1. Filing11/13/89
  2. Publication08/20/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/13/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/20/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

US

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Inventors

A. L. (pessoa física)

US

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

272,172 · 11/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/20/1994

RPI 1242

Notificação de entrada na fase nacional - PCT

#1.3

08/20/1991

RPI 1081

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