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Official data from INPI

ULTRAFILTRACAO DE LATICES DE RESINA DE VINILA E REUTILIZACAO DO PERMEADO EM POLIMERIZACAO EM EMULSAO

Concessão AnuladaInvention Patent

Application data

Number

PI8008882

Type

Invention Patent

Filing

10/22/1979

Publication

-

Progress at the INPI

  1. Filing10/22/79
  2. Publication
  3. Examination06/28/83
  4. Allowance02/28/84
  5. Grant08/28/84
  6. Terminated02/04/92

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

GOODRICH CO B F

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Inventors

H. J. (pessoa física)

T. J. (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

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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