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

INTERRUPTOR HIDRÁULICO

Em AnáliseInvention Patent

Application data

Number

PI8201761

Type

Invention Patent

Filing

03/26/1982

Publication

11/08/1983

Progress at the INPI

  1. Filing03/26/82
  2. Publication11/08/83
  3. Examination02/14/84
  4. Allowance10/30/84
  5. Grant04/30/85
  6. Terminated06/21/88

The patent was granted on 04/30/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Doduco KG Dr. Eugen Drrwachter

DE

D. D. (pessoa física)

Inventors

H. F. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Republicação - classificação IPC

#15.11

02/26/1985

RPI 749

Deferimento

#9.1

10/30/1984

RPI 732

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

05/18/1982

RPI 604

Patent monitoring

Track this patent in real time.

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