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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8006168

Type

Invention Patent

Filing

09/24/1980

Publication

-

Progress at the INPI

  1. Filing09/24/80
  2. Publication
  3. Examination12/01/81
  4. Allowance09/20/83
  5. Grant08/27/85
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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

A. O. (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

08/27/1985

RPI 775

110

03/26/1985

RPI 753

120

05/22/1984

RPI 709

Recurso

#12.1

12/20/1983

RPI 687

Deferimento

#9.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

12/01/1981

RPI 580

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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