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Official data from INPI

Invólucro para montagem de um transformador e elemento de suporte para utilização com o mesmo.

ConcedidaInvention Patent
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Application data

Number

PI8100751

Type

Invention Patent

Filing

02/06/1981

Publication

10/05/1982
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Progress at the INPI

  1. Filing02/06/81
  2. Publication10/05/82
  3. Examination09/18/84
  4. Allowance04/08/86
  5. Grant12/30/86
  6. Expired03/19/96

The letters patent expired on 03/19/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Siemens S/A

SP, BR

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Inventors

L. U. (pessoa física)

Technical data

IPC Classification

C09B 1/503

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

8.1

12/31/1985

RPI 793

Exigência - art. 36 da LPI

#6.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

10/05/1982

RPI 624

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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