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Official data from INPI

VALVULA PARA PIAS,TANQUES E OUTROS

ConcedidaUtility Model
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Application data

Number

MU6500187

Type

Utility Model

Filing

02/25/1985

Publication

07/30/1985
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Progress at the INPI

  1. Filing02/25/85
  2. Publication07/30/85
  3. Examination11/12/85
  4. Allowance12/29/87
  5. Grant10/25/88
  6. Expired05/09/95

The letters patent expired on 05/09/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JOSE RUBENS MALEINER [BR]

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

E03C 1/23

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação antecipada

#3.2

07/30/1985

RPI 771

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

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