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Official data from INPI

DISPOSITIVO PARA ALIMENTAR CARDAS COM MATERIAL DE FIBRAS EM FORMA DE FLOCOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004008

Type

Invention Patent

Filing

08/14/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/14/90
  2. Publication09/03/91
  3. Examination07/20/93
  4. Allowance08/01/00
  5. Grant11/28/00
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. 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

F. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 28 280.5 · 08/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/11/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

11/28/2000

RPI 1560

Deferimento

#9.1

08/01/2000

RPI 1543

Exigência - art. 36 da LPI

#6.1

05/12/1998

RPI 1429

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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