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Official data from INPI

VALVULA REGULADORA DE PRESSAO VARIAVEL

PublicadaInvention Patent

Application data

Number

PI8801939

Type

Invention Patent

Filing

04/24/1987

Publication

11/22/1988

Progress at the INPI

  1. Filing04/24/87
  2. Publication11/22/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/24/1987 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP [US]

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Inventors

P. H. (pessoa física)

R. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/22/1988

RPI 944

Pedido de patente depositado

#2.1

08/23/1988

RPI 931

Arquivamento - Art. 33 da LPI

#11.1

10/08/1991

RPI 1088

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