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Official data from INPI

MÁQUINA DE TRABALHO PARA ESTRADA

Arquivada/ExtintaInvention PatentPCT · EP1996000556

Application data

Number

PI9607522

Type

Invention Patent

Filing

02/09/1996

Publication

12/30/1997

PCT

EP1996000556

Progress at the INPI

  1. Filing02/09/96
  2. Publication12/30/97
  3. Examination
  4. Allowance03/13/01
  5. Grant07/24/01
  6. Expired04/26/16

The letters patent expired on 04/26/2016: 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: 04/26/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wirtgen GMBH

DE

See this company's full portfolio

Inventors

D. S. (pessoa física)

DE

G. H. (pessoa física)

DE

P. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

195 04 495.9 · 02/12/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/02/2016

04/26/2016

RPI 2364

Concessão da patente

#16.1

07/24/2001

RPI 1594

Deferimento

#9.1

03/13/2001

RPI 1575

Notificação de entrada na fase nacional - PCT

#1.3

12/30/1997

RPI 1410

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