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Official data from INPI

COPOLIESTERES FORMADORES DE FIBRA, E FILAMENTO

ConcedidaInvention Patent
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Application data

Number

PI8005837

Type

Invention Patent

Filing

09/17/1979

Publication

-
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Progress at the INPI

  1. Filing09/17/79
  2. Publication
  3. Examination05/10/83
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated08/02/94

The patent was granted on 11/26/1985 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT

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Inventors

I. R. (pessoa física)

Technical data

IPC Classification

C08G 63/60C08G 63/672C08G 63/68C08G 63/682D01F 6/84D01F 6/86

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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