US3321143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing granulated aluminum
Assignee: U S By-Products Corp
•
Filing: 1964-11-16
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Granted: 1967-05-23
•
Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Vernon D Claiborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:14
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE METHOD OF PRODUCING GRANULATED ALUMINUM COMPRISING THE STEPS OF: DRYNG ALUMINUM BULK: INTRODUCING THE DRIED ALUMINUM BULK INTO A FIRST GRINDING MILL; PRE-GRINDING SAID ALUMINUM TO A REDUCED PARTICLE SIZE; PASSING SAID REDUCED ALUMINUM PARTICLES OUT OF SAID FIRST GRINDING MILL; TRANSFERRING SAID REDUCED ALUMINUM PARTICLES TO A SECOND GRNDING MILL; GRINDING SAID REDUCED ALUMINUM PARTICLES TO FURTHER REDUCE THE SIZE THEREOF; AND PASSING SAID FURTHER REDUCED ALUMINUM PARTICLES OUT OF SAID SECOND GRINDING MILL.
Claim 2
Independent Claim
76 words
THE METHOD OF PRODUCING GRANULATED ALUMINUM COMPRISING THE STEPS OF: DRYNG ALUMINUM BULK: INTRODUCING THE DRIED ALUMINUM BULK INTO A FIRST GRINDING MILL; PRE-GRINDING SAID ALUMINUM TO A REDUCED PARTICLE SIZE; PASSING SAID REDUCED ALUMINUM PARTICLES OUT OF SAID FIRST GRINDING MILL; TRANSFERRING SAID REDUCED ALUMINUM PARTICLES TO A SECOND GRNDING MILL; GRINDING SAID REDUCED ALUMINUM PARTICLES TO FURTHER REDUCE THE SIZE THEREOF; AND PASSING SAID FURTHER REDUCED ALUMINUM PARTICLES OUT OF SAID SECOND GRINDING MILL.
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Cited
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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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |