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Official data from INPI

TRANSPORTADOR-ACUMULADOR DE MATERIAL EM VOLUMES COM ESTAÇÃO DE ECLUSAGEM

ConcedidaInvention Patent

Application data

Number

PI8306382

Type

Invention Patent

Filing

11/21/1983

Publication

06/25/1985

Progress at the INPI

  1. Filing11/21/83
  2. Publication06/25/85
  3. Examination10/29/85
  4. Allowance08/11/87
  5. Grant03/29/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gebhardt Fordertechnik Gmbh

DE

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Inventors

F. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Carta-patente expirada

#21.1

Patente extinta em 21/11/98

07/01/2008

RPI 1956

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