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Official data from INPI

DISPOSITIVO E PROCESSO PARA DETECTAR E LOCALIZAR PARTÍCULAS EM UM FLUXO DE PARTÍCULAS NEUTRAS

Em AnáliseInvention Patent

Application data

Number

PI8905445

Type

Invention Patent

Filing

10/25/1989

Publication

05/29/1990

Progress at the INPI

  1. Filing10/25/89
  2. Publication05/29/90
  3. Examination07/07/92
  4. Allowance06/07/94
  5. Grant12/27/94
  6. Terminated07/16/96

The patent was granted on 12/27/1994 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: 07/16/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schlumberger Industries

FR

Inventors

I. D. (pessoa física)

FR

M. R. (pessoa física)

FR

S. M. (pessoa física)

FR

Technical data

Priority claims

FR

88/14185 · 10/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/16/1996

RPI 1337

Concessão da patente

#16.1

12/27/1994

RPI 1256

Deferimento

#9.1

06/07/1994

RPI 1227

Solicitação de exame técnico

#4.1

07/07/1992

RPI 1127

Publicação do pedido de patente

#3.1

05/29/1990

RPI 1020

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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