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Official data from INPI

FILTRO DE FLUIDO

Em AnáliseInvention Patent

Application data

Number

PI7900174

Type

Invention Patent

Filing

01/11/1978

Publication

-

Progress at the INPI

  1. Filing01/11/78
  2. Publication
  3. Examination
  4. Allowance10/13/82
  5. Grant04/26/83
  6. Terminated11/16/88

The patent was granted on 04/26/1983 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PUROLATOR INC

Inventors

R. A. (pessoa física)

S. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

15.0

10/19/1982

RPI 626

Deferimento

#9.1

10/13/1982

RPI 625

Conhecimento de parecer técnico

#7.1

04/13/1982

RPI 599

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