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Official data from INPI

CONDUTO PARA FIOS PARA A RETENCAO DE FIOS QUE SE ESTENDEM SOB O CHAO DE UM VAGAO FERROVIARIO

ConcedidaInvention Patent

Application data

Number

PI8104970

Type

Invention Patent

Filing

08/04/1980

Publication

04/20/1982

Progress at the INPI

  1. Filing08/04/80
  2. Publication04/20/82
  3. Examination08/02/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Terminated09/25/90

The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BUDD CO

See this company's full portfolio

Inventors

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Publicação do pedido de patente

#3.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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