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Official data from INPI

MECANISMO DE ACIONAMENTO DE CONTROLE DE FREIO

ConcedidaInvention Patent

Application data

Number

PI8204504

Type

Invention Patent

Filing

07/28/1982

Publication

07/26/1983

Progress at the INPI

  1. Filing07/28/82
  2. Publication07/26/83
  3. Examination11/08/83
  4. Allowance07/09/85
  5. Grant03/25/86
  6. Terminated12/20/94

The patent was granted on 03/25/1986 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Babcock & Wilcox Company

US

See this company's full portfolio

Inventors

T. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

06/296,395 · 08/26/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

11/08/1983

RPI 681

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Pedido de patente depositado

#2.1

09/14/1982

RPI 621

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

Pedido de licença compulsória

#20.1

08/20/1991

RPI 1081

Pedido de licença compulsória

#20.1

08/13/1991

RPI 1080

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