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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8103022

Type

Invention Patent

Filing

05/15/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing05/15/81
  2. Publication08/24/82
  3. Examination11/06/84
  4. Allowance06/17/86
  5. Grant02/03/87
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kabelmetal Electro Gmbh.

DE

Inventors

R. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

14.1

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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