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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8008266

Type

Invention Patent

Filing

12/17/1980

Publication

-

Progress at the INPI

  1. Filing12/17/80
  2. Publication
  3. Examination
  4. Allowance07/23/85
  5. Grant02/25/86
  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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalurgica Detroit S/A.

SP, BR

See this company's full portfolio

Inventors

P. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

12/03/1985

RPI 789

100

07/23/1985

RPI 770

120

08/21/1984

RPI 722

Petição de recurso

#12.2

12/27/1983

RPI 688

Indeferimento

#9.2

09/20/1983

RPI 674

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

Pedido de licença compulsória

#20.1

08/06/1991

RPI 1079

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