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Official data from INPI

MÁQUINA BOBINADORA PARA ENROLAMENTO SIMULTÂNEO SEM EIXO DE FITAS DE UMA FOLHA, CORTADA LONGITUDINALMENTE

PublicadaInvention Patent

Application data

Number

PI8706072

Type

Invention Patent

Filing

11/06/1987

Publication

05/30/1989

Progress at the INPI

  1. Filing11/06/87
  2. Publication05/30/89
  3. Examination05/14/91
  4. Allowance07/21/92
  5. Grant05/25/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J M Voith GmbH

DE

See this company's full portfolio

Inventors

H. R. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 06/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

07/21/1992

RPI 1129

Solicitação de exame técnico

#4.1

05/14/1991

RPI 1067

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