Official data from INPI

DISPOSITIVO BI-ESTÁVEL PARA FECHAMENTO DE TORNEIRA DE BÓIA.

Em AnáliseInvention Patent

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Application data

Number

PI8007925

Type

Invention Patent

Filing

12/04/1980

Publication

07/27/1982

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Progress at the INPI

Filing12/04/80
Publication07/27/82
Examination10/19/82
Allowance04/26/83
Grant12/27/83
Terminated06/21/88

The patent was granted on 12/27/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia de Saneamento Básico do Estado de São Paulo - SABESP

SP, BR

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Inventors

A. D. (pessoa física)

Technical data

IPC Classification

G05D 9/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/20/1983

RPI 674

Deferimento

#9.1

04/26/1983

RPI 653

Solicitação de exame técnico

#4.1

10/19/1982

RPI 626

Publicação do pedido de patente

#3.1