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Official data from INPI

DISPOSITIVO PARA ASSENTAMENTO DE OLEODUTO

ConcedidaInvention Patent

Application data

Number

PI8207710

Type

Invention Patent

Filing

05/20/1981

Publication

05/10/1983

Progress at the INPI

  1. Filing05/20/81
  2. Publication05/10/83
  3. Examination12/26/84
  4. Allowance07/09/85
  5. Grant03/25/86
  6. Terminated02/11/92

The patent was granted on 03/25/1986 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NIELSEN KARL I [DK]

Inventors

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

12/26/1984

RPI 740

Retificação da notificação da fase nacional - PCT

#1.3.1

07/19/1983

RPI 665

Notificação de entrada na fase nacional - PCT

#1.3

05/10/1983

RPI 655

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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