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Official data from INPI

PROCESSO PARA CONVERTER PARTICULAS POLUENTES,EMITIDAS EM PROCESSOS QUIMICOS OU FISICOS,EM SUBSTANCIAS NAO PREJUDICIAIS

Em AnáliseInvention Patent

Application data

Number

PI7907560

Type

Invention Patent

Filing

11/22/1978

Publication

-

Progress at the INPI

  1. Filing11/22/78
  2. Publication
  3. Examination09/21/82
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Terminated05/17/88

The patent was granted on 10/30/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PELT & HOOYKAAS

Inventors

H. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Republicação - classificação IPC

#15.11

05/24/1983

RPI 657

Exigência - art. 36 da LPI

#6.1

04/26/1983

RPI 653

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

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