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

Estrutura coextrudada de polímero, em camadas múltiplas e processo para produzir uma estrutura irradiadas de camadas múltiplas.

ArquivadaInvention Patent

Application data

Number

PI7908527

Type

Invention Patent

Filing

12/27/1979

Publication

-

Progress at the INPI

  1. Filing12/27/79
  2. Publication
  3. Examination07/13/82
  4. Allowance04/19/83
  5. Abandoned
  6. In force

The application was allowed on 04/19/1983 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 12/11/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/11/1984

RPI 738

Notificação para pagamento de retribuição

#13.1

06/19/1984

RPI 713

Deferimento

#9.1

04/19/1983

RPI 652

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Patent monitoring

Track this patent in real time.

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