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Official data from INPI

CONJUNTO DE VÁLVULA DE ESFERA OPERADO POR DIAFRAGMA

ArquivadaInvention Patent

Application data

Number

PI8205315

Type

Invention Patent

Filing

09/10/1982

Publication

08/16/1983

Progress at the INPI

  1. Filing09/10/82
  2. Publication08/16/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/10/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/19/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westinghouse Brake & Signal Company Limited

GB

Inventors

D. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8127545 · 09/11/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

05/19/1987

RPI 865

3.4

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

08/16/1983

RPI 669

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

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