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Official data from INPI

SEM TITULO

Concessão AnuladaInvention Patent

Application data

Number

PI8101722

Type

Invention Patent

Filing

03/23/1981

Publication

-

Progress at the INPI

  1. Filing03/23/81
  2. Publication
  3. Examination02/02/82
  4. Allowance07/30/85
  5. Grant04/29/86
  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.

Talk to a specialist

Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rothmans Of Pall Mall Canada Limited.

CA

Inventors

B. W. (pessoa física)

S. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

07/29/1986

RPI 823

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

01/29/1985

RPI 745

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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