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Official data from INPI

MECANISMOS DE DAR PANCADAS SECAS

PublicadaInvention Patent

Application data

Number

PI8704101

Type

Invention Patent

Filing

08/10/1987

Publication

04/12/1988

Progress at the INPI

  1. Filing08/10/87
  2. Publication04/12/88
  3. Examination08/07/90
  4. Allowance05/19/92
  5. Grant01/26/93
  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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F L Smidth & Co A/S

DK

See this company's full portfolio

Inventors

E. B. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

DK

3811/86 · 08/11/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

11/10/1987

RPI 890

Carta-patente expirada

#21.1

Patente extinta em 10/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

Deferimento

#9.1

05/19/1992

RPI 1120

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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