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Official data from INPI

CÚPULA DE MONTAGEM GAXETADA, MATERIAL DE GAXETA E ARTIGO

Arquivada/ExtintaInvention PatentPCT · US1988002097

Application data

Number

PI8807667

Type

Invention Patent

Filing

06/22/1988

Publication

07/31/1990

PCT

US1988002097

Progress at the INPI

  1. Filing06/22/88
  2. Publication07/31/90
  3. Examination04/21/92
  4. Allowance03/08/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

US

Inventors

B. C. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

06/21/1994

RPI 1229

Deferimento

#9.1

03/08/1994

RPI 1214

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Notificação de entrada na fase nacional - PCT

#1.3

07/31/1990

RPI 1026

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