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Official data from INPI

MOINHO DE ESFERAS COM FENDA ANELAR

ConcedidaInvention Patent
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Application data

Number

PI8504117

Type

Invention Patent

Filing

08/28/1985

Publication

04/22/1986
View on INPI

Progress at the INPI

  1. Filing08/28/85
  2. Publication04/22/86
  3. Examination07/08/86
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Reimbold & Strick Gmbh & Co.

DE

Inventors

K. H. (pessoa física)

JP

P. F. (pessoa física)

DE

Technical data

IPC Classification

B02C 17/00

Priority claims

DE

P 34 31 636.1 · 08/29/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

07/08/1986

RPI 820

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Carta-patente expirada

#21.1

Patente extinta em 28/08/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

04/05/1994

RPI 1218

20.4

03/29/1994

RPI 1217

Pedido de licença compulsória

#20.1

03/22/1994

RPI 1216

Pedido de licença compulsória

#20.1

03/15/1994

RPI 1215

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