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Official data from INPI

VÁLVULA DE DESCARGA PARA VASOS SANITÁRIOS

ConcedidaInvention Patent

Application data

Number

PI8202433

Type

Invention Patent

Filing

04/28/1982

Publication

04/05/1983

Progress at the INPI

  1. Filing04/28/82
  2. Publication04/05/83
  3. Examination08/23/83
  4. Allowance03/31/87
  5. Grant10/27/87
  6. Terminated06/26/90

The patent was granted on 10/27/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Construmat Engenharia e Comércio Ltda.

MS, BR

Inventors

B. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

Deferimento

#9.1

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

06/10/1986

RPI 816

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

Pedido de certificado de adição de invenção

#5.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação antecipada

#3.2

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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