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Official data from INPI

Processo de operação de uma instalação de trituração fina e respectiva instalação.

Em AnáliseInvention Patent

Application data

Number

PI8007085

Type

Invention Patent

Filing

10/31/1980

Publication

-

Progress at the INPI

  1. Filing10/31/80
  2. Publication
  3. Examination06/28/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Terminated07/12/88

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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allis - Chalmers Corporation

See this company's full portfolio

Inventors

F. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

090657 · 11/02/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

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