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Official data from INPI

APARELHO PARA DESENGATE E/OU BLOQUEIO DE ÓLEO BAIXO

Em AnáliseInvention Patent

Application data

Number

PI8600418

Type

Invention Patent

Filing

02/03/1986

Publication

10/14/1986

Progress at the INPI

  1. Filing02/03/86
  2. Publication10/14/86
  3. Examination09/01/87
  4. Allowance02/13/91
  5. Grant09/24/91
  6. Terminated09/26/95

The patent was granted on 09/24/1991 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: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

Inventors

H. M. (pessoa física)

US

T. K. (pessoa física)

US

Technical data

Priority claims

US

699.423 · 02/07/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

14.7

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

10/14/1986

RPI 834

Pedido de patente depositado

#2.1

07/22/1986

RPI 822

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

09/24/1991

RPI 1086

Republicação - classificação IPC

#15.11

07/16/1991

RPI 1076

Notificação para pagamento de retribuição

#13.1

05/28/1991

RPI 1069

Deferimento

#9.1

02/13/1991

RPI 1054

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