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Official data from INPI

instalação de espalhamento de lama argilosa para a reabilitação dos solos.

ConcedidaInvention Patent

Application data

Number

PI8205454

Type

Invention Patent

Filing

01/12/1982

Publication

12/14/1982

Progress at the INPI

  1. Filing01/12/82
  2. Publication12/14/82
  3. Examination09/25/84
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Terminated10/16/90

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom-Atlantique

FR

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Inventors

C. [. (pessoa física)

C. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

224.761 · 01/13/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

05/13/1986

RPI 812

6.2

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

09/25/1984

RPI 727

Retificação da notificação da fase nacional - PCT

#1.3.1

02/16/1983

RPI 643

Notificação de entrada na fase nacional - PCT

#1.3

12/14/1982

RPI 634

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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