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Official data from INPI

ESPICHO DE FILTRO COM RESPIRADOURO

Em AnáliseInvention Patent

Application data

Number

PI8000645

Type

Invention Patent

Filing

02/02/1979

Publication

-

Progress at the INPI

  1. Filing02/02/79
  2. Publication
  3. Examination07/13/82
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated06/21/88

The patent was granted on 06/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PALL CORP

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Inventors

R. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

06/07/1983

RPI 659

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

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