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Official data from INPI

PROCESSO PARA TRATAMENTO DE MATÉRIA-PRIMA GRANULADA OU EM PÓ E INSTALAÇÃO PARA EXECUÇÃO DO PROCESSO.

ConcedidaInvention Patent

Application data

Number

PI8107635

Type

Invention Patent

Filing

11/24/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing11/24/81
  2. Publication08/24/82
  3. Examination01/18/83
  4. Allowance06/11/85
  5. Grant12/31/85
  6. Terminated06/27/95

The patent was granted on 12/31/1985 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: 12/31/1985. 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

T. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8037729 · 11/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Republicação - classificação IPC

#15.11

06/11/1985

RPI 764

Deferimento

#9.1

06/11/1985

RPI 764

6.2

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

20.4

04/02/1991

RPI 1061

20.7

04/02/1991

RPI 1061

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