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Official data from INPI

CONJUNTO DE VÁLVULA

PublicadaInvention Patent

Application data

Number

PI8805752

Type

Invention Patent

Filing

11/04/1988

Publication

07/18/1989

Progress at the INPI

  1. Filing11/04/88
  2. Publication07/18/89
  3. Examination04/16/91
  4. Allowance11/17/92
  5. Abandoned
  6. In force

The application was allowed on 11/17/1992 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Keystone International, Inc

US

See this company's full portfolio

Inventors

P. Y. (pessoa física)

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

118.188 · 11/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/18/1989

RPI 978

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Arquivamento - Art. 38 §2° da LPI

#11.4

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

04/06/1993

RPI 1166

Deferimento

#9.1

11/17/1992

RPI 1146

Solicitação de exame técnico

#4.1

04/16/1991

RPI 1063

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