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Official data from INPI

PROCESSO E DISPOSITIVO PARA DESTILACAO A BAIXA TEMPERATURA DE MATERIAL FINAMENTE GRANULADO

Concessão AnuladaInvention Patent

Application data

Number

PI8007006

Type

Invention Patent

Filing

11/15/1979

Publication

-

Progress at the INPI

  1. Filing11/15/79
  2. Publication
  3. Examination08/09/83
  4. Allowance03/07/84
  5. Grant08/28/84
  6. Terminated08/02/94

The patent was granted on 08/28/1984 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: 12/04/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLGESELLSCHAFT AG

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Inventors

B. A. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

12/04/1984

RPI 737

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/26/1984

RPI 714

Deferimento

#9.1

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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