US3230064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spherulization of fusible particles
Assignee: Standard Oil Co
•
Filing: 1960-10-21
•
Granted: 1966-01-18
•
Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Veatch Franklin
- 👤 Harvey E Alford
- 👤 Richard D Croft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:22
CPC Classifications
C; C03; C03B; C03B19/00; C03B19/10; C03B19/107; C03B19/1075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
APPARATUS FOR PRODUCING SPHERES FROM PARTICLES OF A FUSIBLE MATERIAL, WHICH COMPRISES A CYLINDRICAL SHAPED FURNACE, OF SUFFICIENT HEIGHT TO ALLOW SPHERULIZATION OF SAID PARTICLES THEREWITHIN, A BURNER PLATE MOUNTED AT THE BOTTOM OF SAID FURNACE HAVING MEANS THEREIN FOR BURNING A GAS AT ITS UPPER FACE, AN ENCLOSURE COMPRISING A COOLING ZONE SURROUNDING SAID FURNACE, SAID ENCLOSURE BEING SEVERAL TIMES THE HEIGHT AND SEVERAL TIMES THE DIAMETER OF SAID FURNACE, THEREBY PROVIDING A COOLING ZONE OF SUBSTANTIALLY GREATER HEIGHT AND DIAMETER THAN THE RESPECTIVE DIMENSIONS OF SAID FURNACE, MEANS SUPPORTING SAID FURNACE WITHIN SAID ENCLOSURE, A FEED CONDUIT LEADING CENTRALLY THROUGH SAID BURNER PLATE THROUGH WHICH A STREAM OF AIR AND SAID PARTICLES MAY BE FED, AND AN EXIT FROM SAID ENCLOSURE THROUGH WHICH SAID SPHERES MAYB BE RECOVERED.
Claim 2
Dependent Claim
130 words
APPARATUS FOR PRODUCING SPHERES FROM PARTICLES OF A FUSIBLE MATERIAL, WHICH COMPRISES A CYLINDRICAL SHAPED FURNACE, OF SUFFICIENT HEIGHT TO ALLOW SPHERULIZATION OF SAID PARTICLES THEREWITHIN, A BURNER PLATE MOUNTED AT THE BOTTOM OF SAID FURNACE HAVING MEANS THEREIN FOR BURNING A GAS AT ITS UPPER FACE, AN ENCLOSURE COMPRISING A COOLING ZONE SURROUNDING SAID FURNACE, SAID ENCLOSURE BEING SEVERAL TIMES THE HEIGHT AND SEVERAL TIMES THE DIAMETER OF SAID FURNACE, THEREBY PROVIDING A COOLING ZONE OF SUBSTANTIALLY GREATER HEIGHT AND DIAMETER THAN THE RESPECTIVE DIMENSIONS OF SAID FURNACE, MEANS SUPPORTING SAID FURNACE WITHIN SAID ENCLOSURE, A FEED CONDUIT LEADING CENTRALLY THROUGH SAID BURNER PLATE THROUGH WHICH A STREAM OF AIR AND SAID PARTICLES MAY BE FED, AND AN EXIT FROM SAID ENCLOSURE THROUGH WHICH SAID SPHERES MAYB BE RECOVERED.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |