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Official data from INPI

CONJUNTO DESCARTAVEL DE FAIXAS E DISPOSITIVO DE RETENCAO PARA UMA IMPRESSORA DE LINHA

ConcedidaInvention Patent

Application data

Number

PI8500291

Type

Invention Patent

Filing

02/06/1984

Publication

12/03/1985

Progress at the INPI

  1. Filing02/06/84
  2. Publication12/03/85
  3. Examination10/06/87
  4. Allowance07/12/88
  5. Grant02/28/89
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM [US]

See this company's full portfolio

Inventors

A. C. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Republicação - classificação IPC

#15.11

09/27/1988

RPI 936

Deferimento

#9.1

07/12/1988

RPI 925

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

Carta-patente expirada

#21.1

Patente extinta em 23/01/2000

08/19/2008

RPI 1963

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