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Official data from INPI

TRANSPORTADOR DE ESTEIRA DE PLACAS

ConcedidaInvention Patent

Application data

Number

PI8505140

Type

Invention Patent

Filing

10/16/1985

Publication

07/29/1986

Progress at the INPI

  1. Filing10/16/85
  2. Publication07/29/86
  3. Examination03/31/87
  4. Allowance05/16/89
  5. Grant11/28/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aumund-Fordererbau GmbH Maschinenfabrik

DE

Inventors

M. H. (pessoa física)

DE

W. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 38 231.3 · 10/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Exigência - art. 36 da LPI

#6.1

01/10/1989

RPI 951

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

01/07/1986

RPI 794

Carta-patente expirada

#21.1

Patente extinta em 16/10/2000

07/15/2008

RPI 1958

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