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Official data from INPI

COMPOSIÇÃO DE ÓLEO LUBRIFICANTE

Em AnáliseInvention Patent

Application data

Number

PI8601095

Type

Invention Patent

Filing

02/13/1986

Publication

11/25/1986

Progress at the INPI

  1. Filing02/13/86
  2. Publication11/25/86
  3. Examination11/08/88
  4. Allowance05/26/92
  5. Grant01/26/93
  6. Terminated09/26/95

The patent was granted on 01/26/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

See this company's full portfolio

Inventors

F. V. (pessoa física)

Technical data

Priority claims

NL

8500753 · 03/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/08/1988

RPI 942

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

Republicação - classificação IPC

#15.11

08/25/1992

RPI 1134

Deferimento

#9.1

05/26/1992

RPI 1121

Exigência - art. 36 da LPI

#6.1

08/06/1991

RPI 1079

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