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Official data from INPI

BOMBA DE VACUO

Em AnáliseInvention Patent

Application data

Number

PI7806201

Type

Invention Patent

Filing

09/21/1978

Publication

-

Progress at the INPI

  1. Filing09/21/78
  2. Publication
  3. Examination
  4. Allowance09/28/82
  5. Grant06/28/83
  6. Terminated10/03/89

The patent was granted on 06/28/1983 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

CHELMAQ SA MAQUINAS ESPECIAIS

Inventors

V. A. (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

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

02/01/1983

RPI 641

Deferimento

#9.1

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

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