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Official data from INPI

PROCESSO PARA REMOVER OS VEIOS DE TABACO EM TIRAS, EM MASSA, O QUAL INCLUI LAMINAS E VEIOS

ConcedidaInvention Patent

Application data

Number

PI8003590

Type

Invention Patent

Filing

06/10/1980

Publication

-

Progress at the INPI

  1. Filing06/10/80
  2. Publication
  3. Examination
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brown & Williamsom Tobacco Corporation

US

Brown & Williamson Tobacco Corporation

US

Inventors

C. I. (pessoa física)

Technical data

IPC Classification

Priority claims

US

047.424 · 06/11/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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