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Official data from INPI

APERFEICOAMENTO EM BAGACEIRAS PROPRIAS PARA O PREPARO DA CANA DE ACUCAR

Em AnáliseInvention Patent
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Application data

Number

PI7708195

Type

Invention Patent

Filing

12/08/1977

Publication

-
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Progress at the INPI

  1. Filing12/08/77
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant05/31/83
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

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Inventors

R. R. (pessoa física)

Technical data

IPC Classification

A01D 45/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

12/13/1988

RPI 947

20.4

12/06/1988

RPI 946

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

15.0

06/29/1982

RPI 610

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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