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Official data from INPI

MECANISMO DE TRAVA

ConcedidaInvention Patent

Application data

Number

PI8301302

Type

Invention Patent

Filing

03/11/1983

Publication

11/29/1983

Progress at the INPI

  1. Filing03/11/83
  2. Publication11/29/83
  3. Examination03/27/84
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Terminated04/18/95

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

V. L. (pessoa física)

W. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Deferimento

#9.1

07/14/1987

RPI 873

Retificação

#15.6

04/22/1987

RPI 861

Alteração de numeração

#15.1

11/25/1986

RPI 840

8.1

12/31/1985

RPI 793

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

Pedido de licença compulsória

#20.1

02/04/1992

RPI 1105

Pedido de licença compulsória

#20.1

01/28/1992

RPI 1104

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