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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8005685

Type

Invention Patent

Filing

09/05/1980

Publication

-

Progress at the INPI

  1. Filing09/05/80
  2. Publication
  3. Examination
  4. Allowance01/02/85
  5. Grant06/25/85
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Swiss Aluminium Ltd.

CH

See this company's full portfolio

Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

6.2

11/30/1982

RPI 632

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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