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Official data from INPI

CORPO DE CONCRETO REFLETIVO,PROCESSO PARA SUA FABRICACAO E UTILIZACAO

ConcedidaInvention Patent

Application data

Number

PI7707630

Type

Invention Patent

Filing

11/19/1976

Publication

-

Progress at the INPI

  1. Filing11/19/76
  2. Publication
  3. Examination
  4. Allowance06/14/83
  5. Grant09/27/83
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GSCHWEND & STADLER INST PRIVAT

Inventors

M. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

08/23/1983

RPI 670

100

06/14/1983

RPI 660

120

07/13/1982

RPI 612

Petição de recurso

#12.2

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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