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

DOSADOR DE EQUILÍBRIO

Em AnáliseInvention Patent

Application data

Number

PI8101531

Type

Invention Patent

Filing

03/16/1981

Publication

10/26/1982

Progress at the INPI

  1. Filing03/16/81
  2. Publication10/26/82
  3. Examination12/27/83
  4. Allowance01/07/86
  5. Grant09/30/86
  6. Terminated05/24/88

The patent was granted on 09/30/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia de Saneamento de Minas Gerais - Copasa

MG, BR

See this company's full portfolio

Inventors

N. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

8.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

10/26/1982

RPI 627

Related

Same category

Patent monitoring

Track this patent in real time.

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