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Official data from INPI

VALVULA DE ESFERA

Em AnáliseInvention Patent

Application data

Number

PI7803103

Type

Invention Patent

Filing

05/17/1978

Publication

-

Progress at the INPI

  1. Filing05/17/78
  2. Publication
  3. Examination12/01/81
  4. Allowance07/19/83
  5. Grant12/27/83
  6. Terminated10/03/89

The patent was granted on 12/27/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RICHARDS & CO B C

Inventors

R. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

10/25/1983

RPI 679

100

07/19/1983

RPI 665

Petição de recurso

#12.2

03/01/1983

RPI 645

Indeferimento

#9.2

09/08/1982

RPI 620

Solicitação de exame técnico

#4.1

12/01/1981

RPI 580

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