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Official data from INPI

VÁLVULA DE SEGURANÇA E PROCESSO PARA FECHAR RAPIDAMENTE UMA VÁLVULA DE SEGURANÇA

ArquivadaInvention Patent

Application data

Number

PI9103076

Type

Invention Patent

Filing

07/18/1991

Publication

02/11/1992

Progress at the INPI

  1. Filing07/18/91
  2. Publication02/11/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 07/18/1991 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dresser Industries, Inc

US

See this company's full portfolio

Inventors

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

556,773 · 07/23/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

02/11/1992

RPI 1106

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