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Official data from INPI

CANHÃO ELETRÔNICO ALINHADO COMPREENDIDO EM UM TUBO DE RAIOS CATÓDICOS

Em AnáliseInvention Patent

Application data

Number

PI8704348

Type

Invention Patent

Filing

08/24/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/24/87
  2. Publication04/19/88
  3. Examination10/24/89
  4. Allowance08/25/92
  5. Grant04/27/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

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Inventors

A. I. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

900.971 · 08/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 24/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/25/1992

RPI 1134

Exigência - art. 36 da LPI

#6.1

11/26/1991

RPI 1095

14.1

09/04/1990

RPI 1031

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