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

CAVILHA DE EXPANSÃO.

ConcedidaInvention Patent

Application data

Number

PI8501400

Type

Invention Patent

Filing

03/27/1985

Publication

11/26/1985

Progress at the INPI

  1. Filing03/27/85
  2. Publication11/26/85
  3. Examination05/27/86
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Terminated10/02/90

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. F. (pessoa física)

Inventors

D. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 11 431.9 · 03/29/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

14.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

Patent monitoring

Track this patent in real time.

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