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Official data from INPI

MÁQUINA DE CORTAR CABELO

Arquivada/ExtintaInvention PatentPCT · US1987001464

Application data

Number

PI8707769

Type

Invention Patent

Filing

06/11/1987

Publication

08/15/1989

PCT

US1987001464

Progress at the INPI

  1. Filing06/11/87
  2. Publication08/15/89
  3. Examination03/13/90
  4. Allowance08/27/91
  5. Grant06/30/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. H. (pessoa física)

US

Inventors

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

882,825 · 07/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 11/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/30/1992

RPI 1126

Notificação para pagamento de retribuição

#13.1

12/24/1991

RPI 1099

Deferimento

#9.1

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

03/13/1990

RPI 1009

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