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Official data from INPI

PROCESSO DE ALQUILAÇÃO

ArquivadaInvention PatentPCT · US1988000643

Application data

Number

PI8805636

Type

Invention Patent

Filing

02/23/1988

Publication

10/17/1989

PCT

US1988000643

Progress at the INPI

  1. Filing02/23/88
  2. Publication10/17/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/23/1988 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nalco Chemical Company

US

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Inventors

J. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

017.961 · 02/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

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