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Official data from INPI

Processo de controlar a operação de uma instalação de britagem e instalação de britagem.

Em AnáliseInvention Patent

Application data

Number

PI7905563

Type

Invention Patent

Filing

08/29/1979

Publication

-

Progress at the INPI

  1. Filing08/29/79
  2. Publication
  3. Examination03/09/82
  4. Allowance01/25/83
  5. Grant09/27/83
  6. Terminated07/12/88

The patent was granted on 09/27/1983 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allis - Chalmers Corporation

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Inventors

F. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

938.259 · 08/30/1978

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

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/31/1983

RPI 658

Deferimento

#9.1

01/25/1983

RPI 640

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era E21C 41/12.

03/27/2018

RPI 2464

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