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

MISTURA DE POLIETILENO ENXERTADO E ESTRUTURA LAMINADA

Em AnáliseInvention Patent

Application data

Number

PI8503861

Type

Invention Patent

Filing

08/15/1984

Publication

05/27/1986

Progress at the INPI

Under appeal
  1. Filing08/15/84
  2. Publication05/27/86
  3. Examination06/21/88
  4. Refused11/06/90
  5. Grant
  6. In force

The application was refused by the INPI on 11/06/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

A. A. (pessoa física)

T. L. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/08/1989

RPI 981

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

05/27/1986

RPI 814

Pedido de patente depositado

#2.1

10/22/1985

RPI 783

Republicação - classificação IPC

#15.11

06/18/1991

RPI 1072

Indeferimento

#9.2

11/06/1990

RPI 1040

Patent monitoring

Track this patent in real time.

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