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Official data from INPI

IMPRESSORA PARA IMPRIMIR CARACTERES COM DUAS QUALIDADES DE IMPRESSÃO ALTERNATIVAS E MÉTODO DE IMPRIMÍ-LAS

Em ExigênciaInvention Patent

Application data

Number

PI8501840

Type

Invention Patent

Filing

04/18/1985

Publication

12/17/1985

Progress at the INPI

  1. Filing04/18/85
  2. Publication12/17/85
  3. Examination10/06/87
  4. Allowance03/19/91
  5. Grant09/24/91
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lexmak International Inc.

US

Inventors

D. T. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

602.248 · 04/20/1984

US

695.997 · 01/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

12/17/1985

RPI 791

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

Patente extinta em 18/04/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

10/26/1993

RPI 1195

Concessão da patente

#16.1

09/24/1991

RPI 1086

Republicação - classificação IPC

#15.11

07/16/1991

RPI 1076

Deferimento

#9.1

03/19/1991

RPI 1059

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