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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8006337

Type

Invention Patent

Filing

09/30/1980

Publication

06/15/1982

Progress at the INPI

  1. Filing09/30/80
  2. Publication06/15/82
  3. Examination10/13/82
  4. Allowance12/20/83
  5. Grant08/28/84
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 06/23/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sharp Corporation (Sharp Kabushiki Kaisha).

JP

Inventors

O. A. (pessoa física)

O. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

06/23/1987

RPI 870

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

07/26/1983

RPI 666

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

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