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

PROCESSO PARA FABRICAR UMA FOLHADE MATERIAL TERMOPLASTICO ESPUMOSO PELA EXTRUSAO DO MATERIAL EM FORMA TUBULAR E ARRANJO PARA EXECUTAR O PROCESSO

Concessão AnuladaInvention Patent

Application data

Number

PI7905388

Type

Invention Patent

Filing

08/22/1978

Publication

-

Progress at the INPI

  1. Filing08/22/78
  2. Publication
  3. Examination06/29/82
  4. Allowance10/25/83
  5. Grant04/24/84
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 07/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. I. (pessoa física)

See this company's full portfolio

Inventors

A. S. (pessoa física)

L. P. (pessoa física)

N. L. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

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

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

Patent monitoring

Track this patent in real time.

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