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Official data from INPI

Poliesteramidas de estrutura em bloco, estatística ou alternada.

ConcedidaInvention Patent

Application data

Number

PI8008041

Type

Invention Patent

Filing

12/09/1980

Publication

-

Progress at the INPI

  1. Filing12/09/80
  2. Publication
  3. Examination08/02/83
  4. Allowance03/05/85
  5. Grant10/01/85
  6. Terminated08/09/94

The patent was granted on 10/01/1985 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

C. J. (pessoa física)

G. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 30650 · 12/10/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

06/25/1985

RPI 766

Deferimento

#9.1

03/05/1985

RPI 750

Conhecimento de parecer técnico

#7.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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