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Official data from INPI

BASE PARA SERVIÇOS NA ÁGUA.

ConcedidaInvention Patent

Application data

Number

PI8206818

Type

Invention Patent

Filing

11/25/1982

Publication

07/03/1984

Progress at the INPI

  1. Filing11/25/82
  2. Publication07/03/84
  3. Examination07/22/86
  4. Allowance03/31/87
  5. Grant09/29/87
  6. Terminated10/16/90

The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engesub - Engenharia e Serviços Submarinos Ltda

Inventors

F. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Deferimento

#9.1

03/31/1987

RPI 858

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

07/03/1984

RPI 715

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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