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Official data from INPI

FILTRO DE AR

Em AnáliseInvention Patent

Application data

Number

PI7901092

Type

Invention Patent

Filing

02/27/1978

Publication

-

Progress at the INPI

  1. Filing02/27/78
  2. Publication
  3. Examination
  4. Allowance05/10/83
  5. Grant12/27/83
  6. Terminated10/03/89

The patent was granted on 12/27/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FRAM CORP

Inventors

C. K. (pessoa física)

C. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

16.3

03/20/1984

RPI 700

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

05/24/1983

RPI 657

Deferimento

#9.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

06/29/1982

RPI 610

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