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Official data from INPI

SEPARADOR PARA INALADORES DE PÓ

Arquivada/ExtintaInvention PatentPCT · EP1993000582

Application data

Number

PI9306112

Type

Invention Patent

Filing

03/13/1993

Publication

01/13/1998

PCT

EP1993000582

Progress at the INPI

  1. Filing03/13/93
  2. Publication01/13/98
  3. Examination
  4. Allowance09/28/99
  5. Grant03/21/00
  6. Expired07/09/13

The letters patent expired on 07/09/2013: 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: 07/09/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. K. (pessoa física)

DE

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Inventors

A. G. (pessoa física)

DE

H. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 42 08 880.1 · 03/19/1992

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/03/2013

07/09/2013

RPI 2218

16.3

Referência: RPI 1524 de 21/03/2000ítem - data do depósito (22)

07/04/2000

RPI 1539

Concessão da patente

#16.1

03/21/2000

RPI 1524

Deferimento

#9.1

09/28/1999

RPI 1499

Conhecimento de parecer técnico

#7.1

01/12/1999

RPI 1462

Notificação de entrada na fase nacional - PCT

#1.3

01/13/1998

RPI 1412

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