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Official data from INPI

COMPOSIÇÃO SULFURIZADA, PROCESSO PARA PREPARAR UMA COMPOSIÇÃO SULFURIZADA E COMPOSIÇÃO DE ÓLEO LUBRIFICANTE

Em AnáliseInvention PatentPCT · US1986000884

Application data

Number

PI8606538

Type

Invention Patent

Filing

04/23/1986

Publication

08/04/1987

PCT

US1986000884

Progress at the INPI

  1. Filing04/23/86
  2. Publication08/04/87
  3. Examination01/10/89
  4. Refused03/18/97
  5. Grant
  6. In force

The application was refused on 03/18/1997 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

F. K. (pessoa física)

US

R. F. (pessoa física)

US

Technical data

Priority claims

US

727,453 · 04/25/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1987

RPI 876

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 149/00; C10M 135/02.

03/27/2018

RPI 2464

111

03/18/1997

RPI 1372

Petição de recurso

#12.2

02/06/1996

RPI 1314

Indeferimento

#9.2

10/03/1995

RPI 1296

Conhecimento de parecer técnico

#7.1

09/20/1994

RPI 1242

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