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

VÁLVULA DE DESCARGA APERFEIÇOADA

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8206757

Type

Invention Patent

Filing

11/23/1982

Publication

08/23/1983
View on INPI

Progress at the INPI

  1. Filing11/23/82
  2. Publication08/23/83
  3. Examination04/17/84
  4. Allowance05/05/87
  5. Grant12/29/87
  6. Terminated02/11/92

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

SP, BR

See this company's full portfolio

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

F16K 39/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

14.1

11/04/1986

RPI 837

Exigência - art. 36 da LPI

#6.1

04/15/1986

RPI 808

Republicação - classificação IPC

#15.11

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

04/17/1984

RPI 704

Publicação antecipada

#3.2

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

Related

Patent monitoring

Track this patent in real time.

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