(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APERFEICOAMENTO EM MARTELOS PROPRIOS PARA INTEGRAREM CONJUNTOS ROTATIVOS DESTINADOS AO DESFIBRAMENTO DE CANA DE ACUCAR

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI7708194

Type

Invention Patent

Filing

12/08/1977

Publication

-
View on INPI

Progress at the INPI

  1. Filing12/08/77
  2. Publication
  3. Examination
  4. Allowance07/20/82
  5. Grant05/31/83
  6. Expired09/21/93

The letters patent expired on 09/21/1993: 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

See this company's full portfolio

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

12/07/1982

RPI 633

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Deferimento

#9.1

07/20/1982

RPI 613

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.