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Official data from INPI

ELEMENTO DE FILTRO PREGUEADO COM INVÓLUCRO INTEGRADO E MÉTODO DE SUA FABRICAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8105524

Type

Invention Patent

Filing

08/31/1981

Publication

05/18/1982

Progress at the INPI

  1. Filing08/31/81
  2. Publication05/18/82
  3. Examination06/26/84
  4. Allowance12/29/87
  5. Grant09/27/88
  6. Terminated09/13/94

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. L. (pessoa física)

FR

Inventors

B. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

182.909 · 09/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Exigência - art. 36 da LPI

#6.1

06/10/1986

RPI 816

Conhecimento de parecer técnico

#7.1

10/22/1985

RPI 783

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

05/18/1982

RPI 604

Pedido de patente depositado

#2.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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