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Official data from INPI

SERINGA DE PRESSÃO.

Em AnáliseInvention Patent

Application data

Number

PI7907250

Type

Invention Patent

Filing

11/08/1979

Publication

-

Progress at the INPI

  1. Filing11/08/79
  2. Publication
  3. Examination08/03/82
  4. Allowance12/13/83
  5. Grant07/31/84
  6. Terminated09/13/88

The patent was granted on 07/31/1984 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ASTRA QUÍMICA DO BRASIL LTDA

Inventors

B. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/13/1988

RPI 934

Concessão da patente

#16.1

07/31/1984

RPI 719

Deferimento

#9.1

12/13/1983

RPI 686

Conhecimento de parecer técnico

#7.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

08/03/1982

RPI 615

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61M 5/18.

03/27/2018

RPI 2464

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