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Official data from INPI

IMPRESSORA QUE PERMITE A RETIRADA DE DOCUMENTOS À VONTADE

ConcedidaInvention Patent

Application data

Number

PI8503517

Type

Invention Patent

Filing

07/24/1985

Publication

04/22/1986

Progress at the INPI

  1. Filing07/24/85
  2. Publication04/22/86
  3. Examination03/15/88
  4. Allowance12/06/88
  5. Grant09/26/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

D. I. (pessoa física)

US

M. G. (pessoa física)

US

S. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

637,185 · 08/02/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

10/01/1985

RPI 780

Carta-patente expirada

#21.1

Patente extinta em 24/07/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

10/26/1993

RPI 1195

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