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Official data from INPI

MÉTODO PARA PROTEGER AMBIENTALMENTE UM SUBSTRATO E ARTIGO

PublicadaInvention Patent

Application data

Number

PI8800900

Type

Invention Patent

Filing

03/02/1988

Publication

10/11/1988

Progress at the INPI

  1. Filing03/02/88
  2. Publication10/11/88
  3. Examination02/19/91
  4. Allowance12/24/91
  5. Grant11/24/92
  6. Terminated10/24/95

The patent was granted on 11/24/1992 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

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Inventors

R. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

020633 · 03/02/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

06/28/1988

RPI 923

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

05/19/1992

RPI 1120

Deferimento

#9.1

12/24/1991

RPI 1099

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

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