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Official data from INPI

Sistema de partida a frio.

ConcedidaInvention Patent

Application data

Number

PI8102536

Type

Invention Patent

Filing

04/27/1981

Publication

12/07/1982

Progress at the INPI

  1. Filing04/27/81
  2. Publication12/07/82
  3. Examination06/07/83
  4. Allowance01/31/84
  5. Grant08/14/84
  6. Terminated06/20/95

The patent was granted on 08/14/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/14/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Volkswagen do Brasil S/A

SP, BR

See this company's full portfolio

Inventors

H. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/14/1984

RPI 721

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/07/1983

RPI 659

Publicação do pedido de patente

#3.1

12/07/1982

RPI 633

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

20.11

09/17/1991

RPI 1085

20.4

08/06/1991

RPI 1079

20.7

08/06/1991

RPI 1079

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