US3274642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for prilling ammonium nitrate
Assignee: Armour and Co
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Filing: 1965-05-12
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Granted: 1966-09-27
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Expires: 1985-05-12
Abstract
No abstract record available.
Inventors
- 👤 John W Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:18
CPC Classifications
C; C05; C05C; C05C1/00; C05C1/02; B; B01; B01J; B01J2/00; B01J2/02; B01J2/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN APPARATUS FOR PRILLING LIQUID AMMONIUM NITRATE, INCLUDING A PRILLING TOWER EQUIPPED AT ITS TOP WITH A PLURALITY OF STATIONARY QUIESCENT LIQUID RESERVOIRS, AND ORIFICE PLATE FORMING THE BOTTOM OF EACH OF SAID RESERVOIRS AND THROUGH WHICH MAY FREELY FALL STREAMS OF LIQUID AMMMONIUM NITRATE, A SOUND PRODUCING SYSTEM, A SOUND CHAMBER COMMUNICATING WITH AND DEPENDING FROM THE LOWER PORTION OF SAID PLATE, MEANS FOR COMMUNICATION SAID SOUND PRODUCING SYSTEM AND SAID SOUND CHAMBER, MEANS FOR IMPINGING SONIC VIBRATIONS UPON SAID STREAMS, AND MEANS FOR
Claim 2
Independent Claim
85 words
AN APPARATUS FOR PRILLING LIQUID AMMONIUM NITRATE, INCLUDING A PRILLING TOWER EQUIPPED AT ITS TOP WITH A PLURALITY OF STATIONARY QUIESCENT LIQUID RESERVOIRS, AND ORIFICE PLATE FORMING THE BOTTOM OF EACH OF SAID RESERVOIRS AND THROUGH WHICH MAY FREELY FALL STREAMS OF LIQUID AMMMONIUM NITRATE, A SOUND PRODUCING SYSTEM, A SOUND CHAMBER COMMUNICATING WITH AND DEPENDING FROM THE LOWER PORTION OF SAID PLATE, MEANS FOR COMMUNICATION SAID SOUND PRODUCING SYSTEM AND SAID SOUND CHAMBER, MEANS FOR IMPINGING SONIC VIBRATIONS UPON SAID STREAMS, AND MEANS FOR
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |