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Official data from INPI

APERFEIÇOAMENTO NO SISTEMA DE TRAÇÃO DE ALIMENTAÇÃO ELÉTRICA APLICADO A CAMINHÕES DIESEL ELÉTRICOS TIPO FORA DE ESTRADA.

ConcedidaInvention Patent

Application data

Number

PI7905982

Type

Invention Patent

Filing

09/19/1979

Publication

07/06/1982

Progress at the INPI

  1. Filing09/19/79
  2. Publication07/06/82
  3. Examination07/10/84
  4. Allowance01/07/86
  5. Grant09/30/86
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

MG, BR

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Inventors

M. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

8.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

2.2

05/04/1982

RPI 602

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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