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

PROCESSO PARA A PREPARACAO DE AGLUTINANTES HIDRODILUIVEIS,AGLUTINANTES E SEU EMPREGO

ConcedidaInvention Patent

Application data

Number

PI8102288

Type

Invention Patent

Filing

04/15/1980

Publication

12/01/1981

Progress at the INPI

  1. Filing04/15/80
  2. Publication12/01/81
  3. Examination04/13/82
  4. Allowance01/07/86
  5. Grant07/29/86
  6. Terminated02/04/92

The patent was granted on 07/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. L. (pessoa física)

Inventors

S. M. (pessoa física)

S. A. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

Publicação do pedido de patente

#3.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Patent monitoring

Track this patent in real time.

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