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Official data from INPI

INSTALAÇÃO DE CORREIA TRANSPORTADORA COM TAMBOR DE DESCARGA

Em AnáliseInvention Patent

Application data

Number

PI8702371

Type

Invention Patent

Filing

05/11/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing05/11/87
  2. Publication02/17/88
  3. Examination03/27/90
  4. Allowance12/26/90
  5. Grant10/29/91
  6. Terminated10/17/95

The patent was granted on 10/29/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PWH Anlagen + Systeme GMBH

DE

Inventors

H. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 15 769.4 · 05/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

07/11/1989

RPI 977

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

05/21/1991

RPI 1068

9.1.3

02/05/1991

RPI 1053

Deferimento

#9.1

12/26/1990

RPI 1047

Solicitação de exame técnico

#4.1

03/27/1990

RPI 1011

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