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

PROCESSO E INSTALAÇÃO PARA A PRODUÇÃO DE GÁS DE SÍNTESE

Em AnáliseInvention Patent

Application data

Number

PI8602479

Type

Invention Patent

Filing

05/22/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing05/22/86
  2. Publication03/17/87
  3. Examination06/16/87
  4. Allowance02/25/92
  5. Grant11/24/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/16/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caloric Gesellschaft Fr Apparatebau M.b.H.

DE

Inventors

G. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 28 858.2 · 08/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Carta-patente expirada

#21.1

Patente extinta em 22/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/25/1992

RPI 1108

Exigência - art. 36 da LPI

#6.1

03/26/1991

RPI 1060

Patent monitoring

Track this patent in real time.

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