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Official data from INPI

TAMPÃO CATAMENIAL E PROCESSO PARA SUA PRODUÇÃO

Em AnáliseInvention PatentPCT · US1986000564

Application data

Number

PI8606551

Type

Invention Patent

Filing

03/19/1986

Publication

08/04/1987

PCT

US1986000564

Progress at the INPI

  1. Filing03/19/86
  2. Publication08/04/87
  3. Examination12/22/87
  4. Allowance06/29/93
  5. Grant05/31/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

US

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Inventors

E. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

714,095 · 03/20/1985

US

740,217 · 06/03/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1987

RPI 876

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61F 13/16.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 19/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/31/1994

RPI 1226

134

02/16/1994

RPI 1211

Recurso

#12.1

11/03/1993

RPI 1196

Deferimento

#9.1

06/29/1993

RPI 1178

Conhecimento de parecer técnico

#7.1

11/24/1992

RPI 1147

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