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Official data from INPI

MÉTODO PARA MELHORAR O DESEMPENHO DE ADITIVOS TRATADOS A BASE DE ENXOFRE, E MÉTODO PARA LUBRIFICAR MANCAIS DE LIGA DE COBRE.

Em AnáliseInvention Patent

Application data

Number

PI8506703

Type

Invention Patent

Filing

04/04/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing04/04/85
  2. Publication04/15/86
  3. Examination07/28/87
  4. Allowance11/29/94
  5. Abandoned
  6. In force

The application was allowed on 11/29/1994 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

H. [. (pessoa física)

S. [. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Arquivamento - Art. 38 §2° da LPI

#11.4

10/17/1995

RPI 1298

Notificação para pagamento de retribuição

#13.1

04/04/1995

RPI 1270

Deferimento

#9.1

11/29/1994

RPI 1252

Exigência - art. 36 da LPI

#6.1

03/02/1993

RPI 1161

Exigência - art. 36 da LPI

#6.1

03/10/1992

RPI 1110

Exigência - art. 36 da LPI

#6.1

04/30/1991

RPI 1065

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