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Official data from INPI

DISCO DE VERIFICAÇÃO ÓTICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002641

Type

Invention Patent

Filing

06/04/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/04/90
  2. Publication08/20/91
  3. Examination11/03/93
  4. Allowance09/21/99
  5. Grant02/08/00
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

JP

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Inventors

K. Y. (pessoa física)

JP

N. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

142321/1989 · 06/05/1989

JP

142322/1989 · 06/05/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/06/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

02/08/2000

RPI 1518

Deferimento

#9.1

09/21/1999

RPI 1498

Republicação - classificação IPC

#15.11

Alterada a classificação de G11B 5/82 e G11B 19/02 para G11B 7/013 e G11B 7/24.

09/14/1999

RPI 1497

Exigência - art. 36 da LPI

#6.1

09/29/1998

RPI 1449

Solicitação de exame técnico

#4.1

11/03/1993

RPI 1196

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/16/1990

RPI 1037

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