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Official data from INPI

DISPOSITIVO PARA O APERFEIÇOAMENTO DO PROCESSO DE CARDAGEM DE UMA CARDA

PublicadaInvention Patent

Application data

Number

PI8801121

Type

Invention Patent

Filing

03/11/1988

Publication

10/18/1988

Progress at the INPI

  1. Filing03/11/88
  2. Publication10/18/88
  3. Examination10/23/90
  4. Allowance09/26/95
  5. Grant04/30/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/18/1988. 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

F. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 08 211.6 · 03/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/18/1988

RPI 939

Pedido de patente depositado

#2.1

07/12/1988

RPI 925

Carta-patente expirada

#21.1

Patente extinta em 11/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/26/1995

RPI 1295

Exigência - art. 36 da LPI

#6.1

03/22/1994

RPI 1216

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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