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Official data from INPI

PROCESSO DE CARREGAR MATERIAL PARTICULADO, TREM E VAGÃO CARREGADOR PARA EMPREGO COM O MESMO

ConcedidaInvention Patent

Application data

Number

PI8200092

Type

Invention Patent

Filing

01/08/1982

Publication

11/03/1982

Progress at the INPI

  1. Filing01/08/82
  2. Publication11/03/82
  3. Examination07/19/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Terminated02/11/92

The patent was granted on 04/30/1985 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Mining Union Corporation Limited.

ZA

See this company's full portfolio

Inventors

D. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

ZA

81/0124 · 01/09/1981

ZA

81/6142 · 09/04/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

07/19/1983

RPI 665

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Pedido de patente depositado

#2.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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