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Official data from INPI

Processo de produção de produtos moldados de construção a partir de uma mistura líquida de endurecimento de materiais em partículas finas e grosseiras.

ConcedidaInvention Patent

Application data

Number

PI8108680

Type

Invention Patent

Filing

01/05/1981

Publication

08/10/1982

Progress at the INPI

  1. Filing01/05/81
  2. Publication08/10/82
  3. Examination09/13/83
  4. Allowance01/02/85
  5. Grant07/30/85
  6. Terminated06/27/95

The patent was granted on 07/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C.G. Bevan Associates Limited

GB

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8000421 · 01/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

Deferimento

#9.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Notificação de entrada na fase nacional - PCT

#1.3

08/10/1982

RPI 616

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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