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Official data from INPI

PROCESSO PARA FORMAR UM REVESTIMENTO SÓLIDO, ADERENTE AUTODEPOSITADO SOBRE UMA SUPERFÍCIE METÁLICA

Arquivada/ExtintaInvention PatentPCT · US1989002419

Application data

Number

PI8907467

Type

Invention Patent

Filing

06/02/1989

Publication

05/21/1991

PCT

US1989002419

Progress at the INPI

  1. Filing06/02/89
  2. Publication05/21/91
  3. Examination02/18/92
  4. Allowance10/27/98
  5. Grant06/01/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

US

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Inventors

B. A. (pessoa física)

US

R. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

202,117 · 06/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/06/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

06/01/1999

RPI 1482

Deferimento

#9.1

10/27/1998

RPI 1451

Exigência - art. 36 da LPI

#6.1

06/16/1998

RPI 1434

Solicitação de exame técnico

#4.1

02/18/1992

RPI 1107

Notificação de entrada na fase nacional - PCT

#1.3

05/21/1991

RPI 1068

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