(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

ESTEIRA TRANSPORTADORA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001592

Type

Invention Patent

Filing

04/05/1990

Publication

05/07/1991

Progress at the INPI

  1. Filing04/05/90
  2. Publication05/07/91
  3. Examination01/26/93
  4. Allowance03/22/94
  5. Grant10/31/95
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Duerr GmbH

DE

Durr do Brasil S/A Equipamentos Industriais

SP, BR

Inventors

H. W. (pessoa física)

DE

P. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 11 056.7 · 04/06/1989

DE

P 39 34 233.6 · 10/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/04/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

10/31/1995

RPI 1300

14.1

08/08/1995

RPI 1288

Recurso

#12.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/22/1994

RPI 1216

Solicitação de exame técnico

#4.1

01/26/1993

RPI 1156

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.