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Official data from INPI

INSERTO DE SEDE DE VÁLVULA

Em AnáliseInvention Patent

Application data

Number

PI8702036

Type

Invention Patent

Filing

04/27/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/27/87
  2. Publication02/09/88
  3. Examination12/06/88
  4. Allowance10/01/91
  5. Grant06/30/92
  6. Terminated10/17/95

The patent was granted on 06/30/1992 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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. C. (pessoa física)

US

Inventors

M. R. (pessoa física)

US

P. B. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

US

856.269 · 04/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

06/30/1992

RPI 1126

Republicação - classificação IPC

#15.11

03/17/1992

RPI 1111

Notificação para pagamento de retribuição

#13.1

02/04/1992

RPI 1105

Deferimento

#9.1

10/01/1991

RPI 1087

14.1

05/07/1991

RPI 1066

14.1

04/30/1991

RPI 1065

14.1

04/23/1991

RPI 1064

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