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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI7404003

Type

Invention Patent

Filing

05/17/1974

Publication

-

Progress at the INPI

  1. Filing05/17/74
  2. Publication
  3. Examination
  4. Allowance05/03/83
  5. Grant11/29/83
  6. Expired08/25/92

The letters patent expired on 08/25/1992: 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: 11/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Parks-Sistemas de Alarme Ltda

RS, BR

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/04/1986

RPI 837

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/09/1983

RPI 668

100

05/03/1983

RPI 654

120

07/20/1982

RPI 613

120

10/13/1981

RPI 573

Carta-patente expirada

#21.1

08/25/1992

RPI 1134

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