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Official data from INPI

Processo e dispositivo de medida do fluxo de um filete de material que emite uma radiação

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104281

Type

Invention Patent

Filing

10/03/1991

Publication

06/09/1992

Progress at the INPI

  1. Filing10/03/91
  2. Publication06/09/92
  3. Examination07/05/94
  4. Allowance06/25/96
  5. Grant04/29/97
  6. Expired06/29/10

The letters patent expired on 06/29/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. S. (pessoa física)

FR

See this company's full portfolio

Inventors

A. M. (pessoa física)

FR

J. P. (pessoa física)

FR

Technical data

Priority claims

FR

90 12227 · 10/04/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/10/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

06/25/1996

RPI 1334

Republicação - classificação IPC

#15.11

12/05/1995

RPI 1305

Exigência - art. 36 da LPI

#6.1

11/07/1995

RPI 1301

Solicitação de exame técnico

#4.1

07/05/1994

RPI 1231

Publicação do pedido de patente

#3.1

06/09/1992

RPI 1123

Pedido de patente depositado

#2.1

11/05/1991

RPI 1092

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