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Official data from INPI

PROCESSO DE GERAÇÃO DE UMA PROJEÇÃO EM PERSPECTIVA TRIDIMENSIONAL DE OBJETOS GRÁFICOS EM UM DISPLAY CONTROLADO POR COMPUTADOR.

Em AnáliseInvention Patent

Application data

Number

PI8605263

Type

Invention Patent

Filing

10/28/1986

Publication

07/28/1987

Progress at the INPI

  1. Filing10/28/86
  2. Publication07/28/87
  3. Examination09/12/89
  4. Allowance03/23/93
  5. Grant07/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

US

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Inventors

C. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

792.662 · 10/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/12/1989

RPI 986

Publicação do pedido de patente

#3.1

07/28/1987

RPI 875

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 28/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/27/1993

RPI 1182

Republicação - classificação IPC

#15.11

06/01/1993

RPI 1174

Deferimento

#9.1

03/23/1993

RPI 1164

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