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Official data from INPI

APERFEICOAMENTOS EM DISPOSITIVOS DE AUTENTICACAO

ConcedidaInvention Patent

Application data

Number

PI8404986

Type

Invention Patent

Filing

10/03/1984

Publication

05/13/1986

Progress at the INPI

  1. Filing10/03/84
  2. Publication05/13/86
  3. Examination08/05/86
  4. Allowance08/11/87
  5. Grant06/28/88
  6. Terminated10/16/90

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IND MECANICA KRAUSE LTDA [BR]

Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

05/13/1986

RPI 812

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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