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Official data from INPI

Dispositivo de controle de fluxo de fluído.

ConcedidaInvention Patent

Application data

Number

PI8008284

Type

Invention Patent

Filing

12/18/1980

Publication

-

Progress at the INPI

  1. Filing12/18/80
  2. Publication
  3. Examination09/27/83
  4. Allowance09/25/84
  5. Grant03/26/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Becton Dickinson And Company.

US

See this company's full portfolio

Inventors

E. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

118.158 · 02/04/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Republicação - classificação IPC

#15.11

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

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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