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Official data from INPI

MÁQUINA ESCAVADEIRA CIRCULAR

ConcedidaInvention Patent

Application data

Number

PI8407052

Type

Invention Patent

Filing

08/17/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing08/17/84
  2. Publication08/13/85
  3. Examination06/30/87
  4. Allowance01/24/89
  5. Grant09/26/89
  6. Terminated07/04/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Anderson Group Plc

GB

Inventors

A. G. (pessoa física)

GB

Technical data

Priority claims

GB

8322467 · 08/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/24/1989

RPI 953

Exigência - art. 36 da LPI

#6.1

09/20/1988

RPI 935

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Notificação de entrada na fase nacional - PCT

#1.3

08/13/1985

RPI 773

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F21D 9/10; F21D 9/08.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

20.4

02/13/1991

RPI 1054

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