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

PROCESSO PARA FAZER GELO FUNDENTE.

ConcedidaInvention Patent

Application data

Number

PI8401331

Type

Invention Patent

Filing

03/22/1984

Publication

10/30/1984

Progress at the INPI

  1. Filing03/22/84
  2. Publication10/30/84
  3. Examination03/18/86
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

See this company's full portfolio

Inventors

M. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

478.148 · 03/23/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

03/18/1986

RPI 804

Publicação do pedido de patente

#3.1

10/30/1984

RPI 732

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Carta-patente expirada

#21.1

Patente extinta em 22/03/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

10/25/1994

RPI 1247

20.4

10/18/1994

RPI 1246

Patent monitoring

Track this patent in real time.

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