(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

FIO PLANO E ESTOPA CONTENDO FILAMENTOS CONTINUOS DE POLI(ETILENO-TEREFTALATO),FIO PLANO DE POLIESTER E ESTOPA DE POLI-ESTER CONTENDO FILAMENTOS CONTINUOS DE POLI(ETILENO-TEREFTALATO)E FIBRA TEXTIL DE POLI(ETILENO-TEREFTALATO)

ConcedidaInvention Patent

Application data

Number

PI7805878

Type

Invention Patent

Filing

09/12/1977

Publication

-

Progress at the INPI

  1. Filing09/12/77
  2. Publication
  3. Examination
  4. Allowance10/25/83
  5. Grant05/29/84
  6. Expired05/03/94

The letters patent expired on 05/03/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT

See this company's full portfolio

Inventors

K. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

6.2

01/12/1982

RPI 586

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.