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Official data from INPI

CONJUNTO DE VÁLVULA DE GATILHO E CONJUNTO DE VÁLVULA DE DOSAGEM

Arquivada/ExtintaInvention PatentPCT · US1988000045

Application data

Number

PI8807428

Type

Invention Patent

Filing

01/07/1988

Publication

05/15/1990

PCT

US1988000045

Progress at the INPI

  1. Filing01/07/88
  2. Publication05/15/90
  3. Examination10/02/90
  4. Allowance11/12/91
  5. Grant11/24/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

D. C. (pessoa física)

US

J. S. (pessoa física)

US

R. Z. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

044.378 · 03/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/01/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

03/31/1992

RPI 1113

Deferimento

#9.1

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

Notificação de entrada na fase nacional - PCT

#1.3

05/15/1990

RPI 1018

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