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Official data from INPI

CAVILHA DE ANCORAGEM.

ConcedidaInvention Patent

Application data

Number

PI8306420

Type

Invention Patent

Filing

11/22/1983

Publication

11/06/1984

Progress at the INPI

  1. Filing11/22/83
  2. Publication11/06/84
  3. Examination04/23/85
  4. Allowance06/28/88
  5. Grant01/10/89
  6. Terminated04/23/96

The patent was granted on 01/10/1989 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

S. P. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

83 03 426 · 03/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

04/23/1985

RPI 757

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

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