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Official data from INPI

CONJUNTO DE VÁLVULA DE ESTRANGULAMENTO DESCARTÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8402198

Type

Invention Patent

Filing

05/09/1984

Publication

12/18/1984

Progress at the INPI

  1. Filing05/09/84
  2. Publication12/18/84
  3. Examination01/27/87
  4. Allowance02/19/91
  5. Grant09/24/91
  6. Terminated09/05/95

The patent was granted on 09/24/1991 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: 01/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

Inventors

C. R. (pessoa física)

US

H. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

493.182 · 05/10/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/27/1987

RPI 849

Publicação do pedido de patente

#3.1

12/18/1984

RPI 739

Pedido de patente depositado

#2.1

07/24/1984

RPI 718

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/04/1991

RPI 1070

Deferimento

#9.1

02/19/1991

RPI 1055

Exigência - art. 36 da LPI

#6.1

10/09/1990

RPI 1036

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