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Official data from INPI

CABEÇOTE PRENDEDOR PARA TUBETES DE BOBINAGEM

PublicadaInvention Patent

Application data

Number

PI8804723

Type

Invention Patent

Filing

09/09/1988

Publication

04/18/1989

Progress at the INPI

  1. Filing09/09/88
  2. Publication04/18/89
  3. Examination07/02/91
  4. Allowance11/17/92
  5. Grant07/27/93
  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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J M Voith GmbH

DE

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Inventors

S. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 30 767.3 · 09/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 09/09/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

07/02/1991

RPI 1074

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