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Official data from INPI

PROTETOR DE CALCINHAS E MÉTODO DE MANUFATURAR O MESMO

PublicadaInvention Patent

Application data

Number

PI8800756

Type

Invention Patent

Filing

02/23/1988

Publication

10/04/1988

Progress at the INPI

  1. Filing02/23/88
  2. Publication10/04/88
  3. Examination12/04/90
  4. Allowance05/05/92
  5. Grant01/26/93
  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: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

W. S. (pessoa física)

US

Technical data

Priority claims

US

018.259 · 02/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/04/1988

RPI 937

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: A41B 9/04; A61F 13/18.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 23/02/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

09/22/1992

RPI 1138

Deferimento

#9.1

05/05/1992

RPI 1118

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

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