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Official data from INPI

VÁLVULA ANTIGOTEJAMENTO DO TIPO DIAFRAGMA APERFEIÇOADA.

Em AnáliseInvention Patent

Application data

Number

PI8700118

Type

Invention Patent

Filing

01/13/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/13/87
  2. Publication12/01/87
  3. Examination03/29/88
  4. Allowance03/06/90
  5. Grant10/30/90
  6. Terminated10/17/95

The patent was granted on 10/30/1990 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Spraying Systems Co.

US

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Inventors

S. R. (pessoa física)

US

T. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

818.210 · 01/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/29/1988

RPI 910

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/19/1987

RPI 865

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

06/26/1990

RPI 1024

Deferimento

#9.1

03/06/1990

RPI 1008

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