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Official data from INPI

SISTEMA DE PREVENCAO DE CONTAMINACAO

ConcedidaInvention Patent

Application data

Number

PI8001500

Type

Invention Patent

Filing

03/26/1979

Publication

-

Progress at the INPI

  1. Filing03/26/79
  2. Publication
  3. Examination12/07/82
  4. Allowance05/15/84
  5. Grant10/30/84
  6. Terminated02/04/92

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.

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Latest action published by the INPI: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

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Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/15/1984

RPI 708

Exigência - art. 36 da LPI

#6.1

11/08/1983

RPI 681

Exigência - art. 36 da LPI

#6.1

06/14/1983

RPI 660

Solicitação de exame técnico

#4.1

12/07/1982

RPI 633

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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