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Official data from INPI

PROCESSO E APARELHO PARA A LIMPEZA DE UM TANQUE DE ÓLEO

Arquivada/ExtintaInvention PatentPCT · DK1993000095

Application data

Number

PI9306094

Type

Invention Patent

Filing

03/16/1993

Publication

01/13/1998

PCT

DK1993000095

Progress at the INPI

  1. Filing03/16/93
  2. Publication01/13/98
  3. Examination
  4. Allowance02/09/99
  5. Grant08/10/99
  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

T. A. (pessoa física)

DK

Inventors

J. H. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

DK

0357/92 · 03/17/1992

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/03/2013

07/09/2013

RPI 2218

Concessão da patente

#16.1

08/10/1999

RPI 1492

Deferimento

#9.1

02/09/1999

RPI 1466

Notificação de entrada na fase nacional - PCT

#1.3

01/13/1998

RPI 1412

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