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Official data from INPI

UNIDADE ACIONADORA DE LENTE OBJETIVA

Em AnáliseInvention Patent

Application data

Number

PI8702669

Type

Invention Patent

Filing

05/25/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing05/25/87
  2. Publication02/23/88
  3. Examination05/10/88
  4. Allowance12/07/93
  5. Grant06/28/94
  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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Matsushita Electric Industrial CO., Ltd.

JP

See this company's full portfolio

Inventors

A. H. (pessoa física)

JP

H. N. (pessoa física)

JP

M. I. (pessoa física)

JP

T. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

SHO 61-120538 · 05/26/1986

JP

SHO 61-120539 · 05/26/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/10/1988

RPI 916

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 25/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/28/1994

RPI 1230

Deferimento

#9.1

12/07/1993

RPI 1201

15.18

11/26/1991

RPI 1095

Retificação

#15.3

09/17/1991

RPI 1085

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