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Official data from INPI

BROCA DE CIRCULAÇÃO MELHORADA

Em AnáliseInvention PatentPCT · US1986001618

Application data

Number

PI8607363

Type

Invention Patent

Filing

08/04/1986

Publication

08/15/1989

PCT

US1986001618

Progress at the INPI

  1. Filing08/04/86
  2. Publication08/15/89
  3. Examination03/20/90
  4. Allowance12/10/91
  5. Grant10/27/92
  6. Terminated10/03/95

The patent was granted on 10/27/1992 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. M. (pessoa física)

US

Inventors

D. M. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

05/05/1992

RPI 1118

Deferimento

#9.1

12/10/1991

RPI 1097

15.17

09/10/1991

RPI 1084

Retificação

#15.3

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

11/27/1990

RPI 1043

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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