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Official data from INPI

SISTEMA DRIVE-IN DE TELEVISÃO/RADIO EM INTEGRAÇÃO=DIMENSÃO

ConcedidaInvention Patent

Application data

Number

PI8200561

Type

Invention Patent

Filing

02/03/1982

Publication

12/07/1982

Progress at the INPI

  1. Filing02/03/82
  2. Publication12/07/82
  3. Examination02/20/85
  4. Allowance10/15/85
  5. Grant05/27/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. L. (pessoa física)

MG

Inventors

H. L. (pessoa física)

MG

Technical data

IPC Classification

Priority claims

US

231,031 · 02/04/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Republicação - classificação IPC

#15.11

10/01/1985

RPI 780

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

12/07/1982

RPI 633

Pedido de patente depositado

#2.1

03/23/1982

RPI 596

Carta-patente expirada

#21.1

Patente extinta em 03/02/97

07/01/2008

RPI 1956

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