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

PROCESSO E REATOR PARA A PREPARAÇÃO DE UM GÁS CONTENDO ESSENCIALMENTE H2 E CO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8201519

Type

Invention Patent

Filing

03/19/1982

Publication

02/08/1983
View on INPI

Progress at the INPI

  1. Filing03/19/82
  2. Publication02/08/83
  3. Examination04/09/85
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Terminated06/26/90

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

Klockner-Humboldt-Deutz

DE

Inventors

D. P. (pessoa física)

DE

H. W. (pessoa física)

DE

Technical data

IPC Classification

C10J 3/16

Priority claims

DE

P 31 11 168.8 · 03/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Deferimento

#9.1

07/14/1987

RPI 873

Republicação - classificação IPC

#15.11

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

Pedido de patente depositado

#2.1

05/04/1982

RPI 602

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

Related

Patent monitoring

Track this patent in real time.

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