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Official data from INPI

PÓ DE INJEÇÃO PARA PRODUZIR SOBRE UM SUBSTRATO, UMA CAMADA HETEROGÊNEA DE ESTRUTURA LAMELAR.

ConcedidaInvention Patent

Application data

Number

PI8100256

Type

Invention Patent

Filing

01/16/1981

Publication

-

Progress at the INPI

  1. Filing01/16/81
  2. Publication
  3. Examination01/26/82
  4. Allowance07/09/85
  5. Grant02/04/86
  6. Terminated06/20/95

The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Castolin S.A

CH

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Inventors

A. D. (pessoa física)

S. W. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

386/80 · 01/17/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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