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Official data from INPI

DISPOSITIVO DE FREIO DE MÃO PARA VEÍCULOS FERROVIÁRIOS.

ConcedidaInvention Patent

Application data

Number

PI8102758

Type

Invention Patent

Filing

05/06/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing05/06/81
  2. Publication08/24/82
  3. Examination09/18/84
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated02/04/92

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN STANDARD INC.

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Inventors

C. T. (pessoa física)

C. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

185.060 · 09/08/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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