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Official data from INPI

TECIDO DE FORMAÇÃO PARA MÁQUINA DE FABRICAÇÃO DE PAPEL

Em AnáliseInvention Patent

Application data

Number

PI8800016

Type

Invention Patent

Filing

01/05/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing01/05/88
  2. Publication11/16/88
  3. Examination04/25/89
  4. Allowance06/20/95
  5. Grant01/21/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

W. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

044.996 · 04/30/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/25/1989

RPI 966

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Carta-patente expirada

#21.1

Patente extinta em 21/01/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

01/21/1998

RPI 1413

110

04/22/1997

RPI 1377

Recurso

#12.1

10/17/1995

RPI 1298

Deferimento

#9.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

03/29/1994

RPI 1217

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