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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300508

Type

Invention Patent

Filing

02/02/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/02/83
  2. Publication11/08/83
  3. Examination05/15/84
  4. Allowance04/09/85
  5. Grant10/01/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Intent Patents AG

GB

Inventors

H. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Carta-patente expirada

#21.1

Patente extinta em 02/02/98

07/01/2008

RPI 1956

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