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Official data from INPI

SILENCIOSO

ConcedidaInvention Patent

Application data

Number

PI8203838

Type

Invention Patent

Filing

07/01/1982

Publication

06/28/1983

Progress at the INPI

  1. Filing07/01/82
  2. Publication06/28/83
  3. Examination10/08/85
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Terminated10/16/90

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Antiphon Ab

SE

Inventors

B. J. (pessoa física)

SE

G. N. (pessoa física)

SE

H. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8104125.3 · 07/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

06/28/1983

RPI 662

Pedido de patente depositado

#2.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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