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Official data from INPI

PROCESSO PARA CONTROLAR A PRESSÃO DO CILINDRO DE TRITURAÇÃO EM UM MOINHO DE CILINDRO VERTICAL E MOINHO DE CILINDRO VERTICAL.

ConcedidaInvention Patent

Application data

Number

PI8108194

Type

Invention Patent

Filing

12/16/1981

Publication

09/28/1982

Progress at the INPI

  1. Filing12/16/81
  2. Publication09/28/82
  3. Examination02/22/83
  4. Allowance01/02/85
  5. Grant07/30/85
  6. Terminated08/07/90

The patent was granted on 07/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F.L. Smidth S.A., Comércio e Indústria

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Inventors

L. F. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8040462 · 12/17/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

02/22/1983

RPI 644

Publicação do pedido de patente

#3.1

09/28/1982

RPI 623

Pedido de patente depositado

#2.1

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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