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

Material flexível preformado em forma de folha à prova de água, estrutura para o mesmo, e processo para obter uma superfície estrutural à prova de água.

ArquivadaInvention Patent

Application data

Number

PI8204981

Type

Invention Patent

Filing

08/25/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/25/82
  2. Publication08/02/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/25/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/12/1985. 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

W. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

298.713 · 09/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Related

From the same holder

Patent monitoring

Track this patent in real time.

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