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Official data from INPI

PROCESSO E DISPOSITIVO PARA ALIMENTAR UM ABRIDOR OU LIMPADOR PARA FLOCOS DE FIBRAS TÊXTEIS

Em AnáliseInvention Patent

Application data

Number

PI8604828

Type

Invention Patent

Filing

10/03/1986

Publication

07/07/1987

Progress at the INPI

  1. Filing10/03/86
  2. Publication07/07/87
  3. Examination02/28/89
  4. Allowance05/19/92
  5. Grant01/26/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Trutzschler Gmbh & Co. Kg.

DE

See this company's full portfolio

Inventors

F. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 35 684.7 · 10/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/28/1989

RPI 958

Publicação do pedido de patente

#3.1

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 03/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

Deferimento

#9.1

05/19/1992

RPI 1120

Exigência - art. 36 da LPI

#6.1

10/01/1991

RPI 1087

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