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Official data from INPI

COLETOR DE AMOSTRAS LÍQUIDAS.

ConcedidaInvention Patent

Application data

Number

PI8101301

Type

Invention Patent

Filing

03/06/1981

Publication

10/26/1982

Progress at the INPI

  1. Filing03/06/81
  2. Publication10/26/82
  3. Examination02/16/83
  4. Allowance10/30/84
  5. Grant05/28/85
  6. Expired09/24/96

The letters patent expired on 09/24/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petróleo Brasileiro S/A - Petrobrás

RJ, BR

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Inventors

S. S. (pessoa física)

V. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/30/1984

RPI 732

Solicitação de exame técnico

#4.1

02/16/1983

RPI 643

Publicação do pedido de patente

#3.1

10/26/1982

RPI 627

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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