US2817581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cast ammonium nitrate and urea explosive
Assignee: Trojan Powder Co
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Filing: 1955-05-18
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Granted: 1957-12-24
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 William H Rinkenbach
- 👤 Jr William J Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:34
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0033; C06B21/005; C06B31/00; C06B31/28; C06B31/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A CAST EXPLOSIVE COMPOSITION AMMONIUM NITRATE UREA, AND ADDITONAL SENSITIZING COMPONENT, THE PROPORTIONS BEING 14-20 PARTS BY WEIGHT OF UREA, 1-6 OF THE ADDITIONAL SENITIZING COMPONENT, AND AMMONIUM NITRATE IN AMOUNT TO MAKE 100 PARTS OF THE THREE MATERIALS AND THE COMPOSITIONS BEING LARGELY IN THE FORM OF A SOLIDIFIED MAGMA OF UREA AND AMMOUNIUM NITRATE CONTAINING THE ADDITIONAL SENSITIZING COMPONENT DISPERSED THROUGHOUT THE MAGMA AND CRYSTALS OF AMMONIUM NITRATE EMBEDDED IN THE MAGMA AND BONDED THEREBY.
Claim 2
Dependent Claim
77 words
A CAST EXPLOSIVE COMPOSITION AMMONIUM NITRATE UREA, AND ADDITONAL SENSITIZING COMPONENT, THE PROPORTIONS BEING 14-20 PARTS BY WEIGHT OF UREA, 1-6 OF THE ADDITIONAL SENITIZING COMPONENT, AND AMMONIUM NITRATE IN AMOUNT TO MAKE 100 PARTS OF THE THREE MATERIALS AND THE COMPOSITIONS BEING LARGELY IN THE FORM OF A SOLIDIFIED MAGMA OF UREA AND AMMOUNIUM NITRATE CONTAINING THE ADDITIONAL SENSITIZING COMPONENT DISPERSED THROUGHOUT THE MAGMA AND CRYSTALS OF AMMONIUM NITRATE EMBEDDED IN THE MAGMA AND BONDED THEREBY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |