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Official data from INPI

APARELHO E PROCESSO PARA PRODUÇÃO DE OBJETOS ESFÉRICOS

Arquivada/ExtintaInvention PatentPCT · US1988003186
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Application data

Number

PI8807213

Type

Invention Patent

Filing

09/15/1988

Publication

02/13/1990

PCT

US1988003186
View on INPI

Progress at the INPI

  1. Filing09/15/88
  2. Publication02/13/90
  3. Examination09/25/90
  4. Allowance03/28/95
  5. Grant12/26/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. R. (pessoa física)

US

Inventors

H. R. (pessoa física)

US

Technical data

IPC Classification

B21H 1/12B29B 9/00C21B 7/00C21C 5/42C21D 1/62C22C 1/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/09/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

12/26/1995

RPI 1308

Notificação para pagamento de retribuição

#13.1

09/05/1995

RPI 1292

Deferimento

#9.1

03/28/1995

RPI 1269

Exigência - art. 36 da LPI

#6.1

11/08/1994

RPI 1249

Exigência - art. 36 da LPI

#6.1

04/12/1994

RPI 1219

15.9

09/25/1990

RPI 1034

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1990

RPI 1006

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