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US3469829A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for producing wire of high tensile strength

Assignee: Koshuha Netsuren KK
•
Filing: 1966-06-16
•
Granted: 1969-09-30
•
Expires: 1986-06-16
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Abstract

No abstract record available.

Inventors

  • 👤 Makoto Fujita
  • 👤 Kanichiro Katsura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:18
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/60; C21D8/00; C21D8/06; Y; Y02; Y02P; Y02P10/00; Y02P10/25

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1386645A Cited
US1732244A Cited
US2783788A Cited
US2880739A Cited
US2932502A Cited
US3154440A Cited
US3368381A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-29 1973-03-31 1973-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-29 1977-03-31 1977-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-29 1981-03-31 1981-09-30 $7700.00 Window Closed / Lapsed

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