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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300340

Type

Invention Patent

Filing

01/24/1983

Publication

10/25/1983

Progress at the INPI

  1. Filing01/24/83
  2. Publication10/25/83
  3. Examination08/20/85
  4. Allowance03/31/87
  5. Grant09/29/87
  6. Terminated04/02/96

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

Stone & Webster Engineering Corp

US

Inventors

K. E. (pessoa física)

N. C. (pessoa física)

Technical data

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

Exigência - art. 36 da LPI

#6.1

06/24/1986

RPI 818

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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