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Official data from INPI

APERFEICOAMENTO DO CIRCUITO EM PORTEIRO ELETRONICO RESIDENCIAL

Em AnáliseInvention Patent

Application data

Number

PI8301848

Type

Invention Patent

Filing

04/07/1983

Publication

11/13/1984

Progress at the INPI

  1. Filing04/07/83
  2. Publication11/13/84
  3. Examination02/20/85
  4. Allowance08/12/86
  5. Grant04/28/87
  6. Terminated04/25/95

The patent was granted on 04/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HDL PROD ELETRON IND COM LTDA [BR]

Inventors

L. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/10/1987

RPI 890

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

12/02/1986

RPI 841

Deferimento

#9.1

08/12/1986

RPI 825

15.5

12/17/1985

RPI 791

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

05/24/1983

RPI 657

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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