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Official data from INPI

APERFEICOAMENTOS INTRODUZIDOS EM TAMPAS METALICAS PARA FECHAMENTO DE RECIPIENTES

Em AnáliseInvention Patent

Application data

Number

PI7901257

Type

Invention Patent

Filing

02/22/1979

Publication

-

Progress at the INPI

  1. Filing02/22/79
  2. Publication
  3. Examination
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. R. (pessoa física)

Inventors

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/14/1989

RPI 995

201

12/23/1986

RPI 844

Pedido de licença voluntária

#17.1

05/27/1986

RPI 814

Pedido de licença compulsória

#20.1

08/27/1985

RPI 775

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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