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Official data from INPI

MECANISMO DE BOMBA DE LÍQUIDOS ATIVADOS POR GÁS.

Em AnáliseInvention Patent

Application data

Number

PI8100865

Type

Invention Patent

Filing

02/13/1981

Publication

10/13/1982

Progress at the INPI

  1. Filing02/13/81
  2. Publication10/13/82
  3. Examination12/04/84
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated11/16/88

The patent was granted on 12/31/1985 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

US

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Inventors

B. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

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