(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM ÓLEO BÁSICO LUBRIFICANTE

Em AnáliseInvention Patent

Application data

Number

PI8403436

Type

Invention Patent

Filing

07/10/1984

Publication

06/25/1985

Progress at the INPI

Under appeal
  1. Filing07/10/84
  2. Publication06/25/85
  3. Examination07/28/87
  4. Allowance03/06/90
  5. Grant02/06/90
  6. Refused07/10/04

The application was refused by the INPI on 03/06/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

See this company's full portfolio

Inventors

J. W. (pessoa física)

BR

M. S. (pessoa física)

US

W. G. (pessoa física)

US

Technical data

Priority claims

US

528.331 · 08/31/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

09/18/1984

RPI 726

Republicação - classificação IPC

#15.11

09/03/1991

RPI 1083

Concessão anulada

#16.2

04/03/1990

RPI 1012

Indeferimento

#9.2

03/06/1990

RPI 1008

Concessão da patente

#16.1

02/06/1990

RPI 1005

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.