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

REATOR DE GÁS DE ACETILENO.

ConcedidaInvention Patent

Application data

Number

PI8107505

Type

Invention Patent

Filing

11/18/1981

Publication

05/17/1983

Progress at the INPI

  1. Filing11/18/81
  2. Publication05/17/83
  3. Examination10/11/83
  4. Allowance09/04/84
  5. Grant03/26/85
  6. Terminated09/20/94

The patent was granted on 03/26/1985 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. P. (pessoa física)

DE

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 31 670.0 · 08/11/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

09/20/1994

RPI 1242

Patent monitoring

Track this patent in real time.

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