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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8100527

Type

Invention Patent

Filing

01/27/1981

Publication

09/28/1982

Progress at the INPI

  1. Filing01/27/81
  2. Publication09/28/82
  3. Examination07/05/83
  4. Allowance01/03/84
  5. Grant08/28/84
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kentinha Embalagens Ltda

SP, BR

See this company's full portfolio

Inventors

F. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

Publicação do pedido de patente

#3.1

09/28/1982

RPI 623

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

20.4

08/23/1994

RPI 1238

20.7

08/23/1994

RPI 1238

Pedido de licença compulsória

#20.1

10/20/1992

RPI 1142

Cessão de direito de exploração

#22.1

11/12/1991

RPI 1093

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