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Official data from INPI

DISPOSITIVO PARA A SEPARAÇÃO DE IMPUREZAS METÁLICAS DE UMA LINHA DE TRANSPORTE DE FIBRAS NA PREPARAÇÃO DE FIAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103965

Type

Invention Patent

Filing

09/16/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing09/16/91
  2. Publication05/26/92
  3. Examination05/10/94
  4. Allowance06/08/99
  5. Grant02/22/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. 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

D. S. (pessoa física)

DE

F. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 29 412.9 · 09/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 16/09/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

06/08/1999

RPI 1483

Solicitação de exame técnico

#4.1

05/10/1994

RPI 1223

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

10/22/1991

RPI 1090

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