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US3457127A Expired / Lapsed US ⏱️ 0.0 years remaining

Explosive composition containing an additional product of urea and nitric acid and method of preparing same

Assignee: WAYNE O URSENBACH
•
Filing: 1968-03-18
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Granted: 1969-07-22
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Expires: 1988-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Melvin Cook
  • 👤 Wayne O Ursenbach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:58
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3164503A Cited
US3242019A Cited
US3282754A Cited
US3296044A Cited
US3376176A Cited
US3306789A Cited
US3361601A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-21 1973-01-20 1973-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-21 1977-01-20 1977-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-21 1981-01-20 1981-07-22 $7700.00 Window Closed / Lapsed

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