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Official data from INPI

CIGARRO COM A PONTA DO FILTRO VENTILADA

Em AnáliseInvention Patent

Application data

Number

PI7803393

Type

Invention Patent

Filing

06/29/1977

Publication

-

Progress at the INPI

  1. Filing06/29/77
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant09/27/83
  6. Terminated10/03/89

The patent was granted on 09/27/1983 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

OLIN CORP

See this company's full portfolio

Inventors

M. R. (pessoa física)

O. W. (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

Pedido de licença compulsória

#20.1

09/23/1986

RPI 831

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

6.2

12/29/1981

RPI 584

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