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Official data from INPI

ESCOVA ROTATIVA

PublicadaInvention Patent

Application data

Number

PI8706352

Type

Invention Patent

Filing

11/20/1987

Publication

05/10/1988

Progress at the INPI

  1. Filing11/20/87
  2. Publication05/10/88
  3. Examination10/02/90
  4. Allowance08/25/92
  5. Grant05/25/93
  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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. F. (pessoa física)

PR, BR

Inventors

M. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

05/10/1988

RPI 916

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 20/11/2002

07/29/2008

RPI 1960

Pedido de licença compulsória

#20.1

02/01/1994

RPI 1209

20.3

08/24/1993

RPI 1186

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

08/25/1992

RPI 1134

Conhecimento de parecer técnico

#7.1

01/28/1992

RPI 1104

15.7

04/16/1991

RPI 1063

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

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