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Official data from INPI

TOCA-DISCO ÓTICO

Em AnáliseInvention Patent

Application data

Number

PI8702652

Type

Invention Patent

Filing

05/22/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing05/22/87
  2. Publication02/23/88
  3. Examination05/03/88
  4. Allowance09/06/94
  5. Grant04/25/95
  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: 05/03/1988. 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

H. T. (pessoa física)

JP

J. Y. (pessoa física)

JP

S. K. (pessoa física)

JP

Technical data

Priority claims

JP

SHO 61-119741 · 05/23/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/03/1988

RPI 915

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/11/1987

RPI 877

Carta-patente expirada

#21.1

Patente extinta em 22/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

6.2

09/28/1993

RPI 1191

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