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

COMPOSIÇÃO DE POLIURETANA FACILMENTE DESMOLDÁVEL.

ConcedidaInvention Patent

Application data

Number

PI8003954

Type

Invention Patent

Filing

06/25/1980

Publication

-

Progress at the INPI

  1. Filing06/25/80
  2. Publication
  3. Examination10/20/81
  4. Allowance09/08/87
  5. Grant04/26/88
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

DE

See this company's full portfolio

Inventors

S. K. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 29 49 959.0 · 12/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Conhecimento de parecer técnico

#7.1

09/13/1983

RPI 673

6.2

11/23/1982

RPI 631

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

Patent monitoring

Track this patent in real time.

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