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Official data from INPI

PACOTE PARCIALMENTE DESMORONAVEL

ConcedidaInvention Patent

Application data

Number

PI7802740

Type

Invention Patent

Filing

05/02/1977

Publication

-

Progress at the INPI

  1. Filing05/02/77
  2. Publication
  3. Examination
  4. Allowance10/26/82
  5. Grant06/28/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BROWN & WILLIAMSON TOBACCO

Inventors

F. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

Deferimento

#9.1

10/26/1982

RPI 627

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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