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Official data from INPI

TANQUE DE AGITAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8005529

Type

Invention Patent

Filing

08/29/1980

Publication

-

Progress at the INPI

  1. Filing08/29/80
  2. Publication
  3. Examination08/23/83
  4. Allowance07/09/85
  5. Grant02/04/86
  6. Terminated05/17/88

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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

Inventors

S. R. (pessoa física)

Technical data

Priority claims

US

107,809 · 12/28/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

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

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E21C 27/01; E21C 41/06.

03/20/2018

RPI 2463

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