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Official data from INPI

TELA DE DRENAGEM PARA PRENSAS NA PARTE ÚMIDA DE UMA MÁQUINA DE PAPEL

DeferidaInvention Patent

Application data

Number

PI8503111

Type

Invention Patent

Filing

06/28/1985

Publication

03/18/1986

Progress at the INPI

  1. Filing06/28/85
  2. Publication03/18/86
  3. Examination09/23/86
  4. Allowance11/14/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. K. (pessoa física)

DE

Inventors

F. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 26 264.4 · 07/17/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

05/16/1989

RPI 969

Solicitação de exame técnico

#4.1

09/23/1986

RPI 831

14.1

06/17/1986

RPI 817

Publicação do pedido de patente

#3.1

03/18/1986

RPI 804

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Carta-patente expirada

#21.1

Patente extinta em 28/06/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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