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Official data from INPI

DISPOSITIVO PARA DOBRAR EM FORMA DE Z OBJETOS ACHATADOS, DE PREFERÊNCIA SEGMENTOS TUBULARES OU SACOS DE PAPEL.

ConcedidaInvention Patent
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Application data

Number

PI8302245

Type

Invention Patent

Filing

05/02/1983

Publication

01/03/1984
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Progress at the INPI

  1. Filing05/02/83
  2. Publication01/03/84
  3. Examination01/14/86
  4. Allowance08/11/87
  5. Grant03/29/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Windmoeller & Hoelscher.

DE

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Inventors

F. R. (pessoa física)

Technical data

IPC Classification

B65H 45/04

Priority claims

DE

P 32 16 505.6 · 05/03/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

03/04/1987

RPI 854

Exigência - art. 36 da LPI

#6.1

10/07/1986

RPI 833

Solicitação de exame técnico

#4.1

01/14/1986

RPI 795

Publicação do pedido de patente

#3.1

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

Patente extinta em 02/05/98

07/01/2008

RPI 1956

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