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Official data from INPI

DISPOSITIVO ADAPTADO A UMA UNIDADE DE DISPLAY CRT

Em AnáliseInvention Patent

Application data

Number

PI8504215

Type

Invention Patent

Filing

08/30/1985

Publication

07/01/1986

Progress at the INPI

  1. Filing08/30/85
  2. Publication07/01/86
  3. Examination09/30/86
  4. Allowance09/25/90
  5. Grant04/30/91
  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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. K. (pessoa física)

JP

See this company's full portfolio

Inventors

A. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

133023/1984 · 08/31/1984

JP

200021/1984 · 12/25/1984

JP

223477/1984 · 10/23/1984

JP

224853/1984 · 10/24/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/30/1986

RPI 832

Publicação do pedido de patente

#3.1

07/01/1986

RPI 819

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Carta-patente expirada

#21.1

Patente extinta em 30/08/2000

07/15/2008

RPI 1958

Republicação - classificação IPC

#15.11

06/18/1991

RPI 1072

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/08/1991

RPI 1049

Deferimento

#9.1

09/25/1990

RPI 1034

Exigência - art. 36 da LPI

#6.1

05/01/1990

RPI 1016

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