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Official data from INPI

FILTRO PARA LUBRIFICANTES

Em AnáliseInvention Patent

Application data

Number

PI8006381

Type

Invention Patent

Filing

01/11/1980

Publication

-

Progress at the INPI

  1. Filing01/11/80
  2. Publication
  3. Examination09/06/83
  4. Allowance03/20/84
  5. Grant10/01/85
  6. Terminated09/26/89

The patent was granted on 10/01/1985 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TECNOCAR SPA

Inventors

M. A. (pessoa física)

V. F. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

10/01/1985

RPI 780

110

06/04/1985

RPI 763

Republicação - classificação IPC

#15.11

10/02/1984

RPI 728

Recurso

#12.1

07/10/1984

RPI 716

Deferimento

#9.1

03/20/1984

RPI 700

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

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