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Official data from INPI

PROCESSO DE EXPLORACAO SISMICA PELA TECNICA DE PERFIL SISMICO VERTICAL E INSTALACAO PARA A SUA EXECUCAO

ConcedidaInvention Patent

Application data

Number

PI8107380

Type

Invention Patent

Filing

10/09/1981

Publication

08/10/1982

Progress at the INPI

  1. Filing10/09/81
  2. Publication08/10/82
  3. Examination09/24/85
  4. Allowance08/04/87
  5. Grant02/23/88
  6. Terminated08/07/90

The patent was granted on 02/23/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRAD RES & DEV NV [NL]

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Inventors

H. L. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

08/04/1987

RPI 876

Exigência - art. 36 da LPI

#6.1

12/30/1986

RPI 845

Pedido de certificado de adição de invenção

#5.1

12/10/1985

RPI 790

Solicitação de exame técnico

#4.1

09/24/1985

RPI 779

Publicação do pedido de patente

#3.1

08/10/1982

RPI 616

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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