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Official data from INPI

ESTRUTURA DE GRAMPO SEM PROJEÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8306563

Type

Invention Patent

Filing

11/29/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing11/29/83
  2. Publication07/31/84
  3. Examination09/30/86
  4. Allowance03/01/88
  5. Grant10/25/88
  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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. O. (pessoa física)

CH

Inventors

O. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

446.503 · 12/03/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

07/12/1988

RPI 925

Deferimento

#9.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

09/30/1986

RPI 832

8.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

02/14/1984

RPI 695

Carta-patente expirada

#21.1

Patente extinta em 29/11/98

07/01/2008

RPI 1956

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