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Official data from INPI

DISPOSITIVO ABRIDOR PARA A ABERTURA DE FARDOS DE FIBRAS PRENSADAS, POR EXEMPLO FARDOS DE ALGODÃO E DE CELULOSE E DE SEMELHANTES MATERIAIS

Prazo de SigiloInvention Patent

Application data

Number

PI8903862

Type

Invention Patent

Filing

08/01/1989

Publication

04/17/1990

Progress at the INPI

  1. Filing08/01/89
  2. Publication04/17/90
  3. Examination12/24/91
  4. Allowance08/05/97
  5. Grant11/24/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Truetzschler GmbH & Co KG

DE

See this company's full portfolio

Inventors

J. T. (pessoa física)

DE

U. V. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3826201.0 · 08/02/1988

DE

P3913929.8 · 04/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

Carta-patente expirada

#21.1

Patente extinta em 01/08/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Republicação - classificação IPC

#15.11

09/02/1997

RPI 1396

Deferimento

#9.1

08/05/1997

RPI 1392

Exigência - art. 36 da LPI

#6.1

01/09/1996

RPI 1310

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

12/24/1991

RPI 1099

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

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