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Official data from INPI

VÁLVULA DE ESFERA METÁLICA.

Em AnáliseInvention Patent

Application data

Number

PI8105800

Type

Invention Patent

Filing

09/10/1981

Publication

09/08/1982

Progress at the INPI

Awaiting grant fee payment
  1. Filing09/10/81
  2. Publication09/08/82
  3. Examination10/30/84
  4. Allowance09/30/86
  5. Grant
  6. In force

The application was allowed by the INPI on 09/30/1986. The grant of the letters patent is being processed.

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Latest action published by the INPI: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

G. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

224.870 · 01/14/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/06/1987

RPI 885

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

14.1

05/07/1985

RPI 759

Pedido de certificado de adição de invenção

#5.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

10/30/1984

RPI 732

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

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