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Official data from INPI

PROCESSO PARA REVESTIMENTO DE REATORES USANDO APLICACAO DE VAPOR DE COMPOSTO ORGANICO

ConcedidaInvention Patent

Application data

Number

PI8008831

Type

Invention Patent

Filing

09/14/1979

Publication

-

Progress at the INPI

  1. Filing09/14/79
  2. Publication
  3. Examination06/21/83
  4. Allowance05/02/84
  5. Grant11/27/84
  6. Terminated08/09/94

The patent was granted on 11/27/1984 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: 11/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODRICH CO B F [US]

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Inventors

J. R. (pessoa física)

W. D. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

05/02/1984

RPI 706

Exigência - art. 36 da LPI

#6.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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