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Official data from INPI

DISPOSITIVO EM UMA CARDA, MÁQUINA DE LIMPEZA OU SEMELHANTE UNIDADE PARA FIBRASDE ALGODÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8903704

Type

Invention Patent

Filing

07/26/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing07/26/89
  2. Publication03/20/90
  3. Examination02/25/92
  4. Allowance10/04/94
  5. Grant06/27/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 10/17/1989. 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

H. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3825419.0 · 07/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/17/1989

RPI 991

Carta-patente expirada

#21.1

Patente extinta em 26/07/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

02/07/1995

RPI 1262

Deferimento

#9.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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