US3039165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for production of lightweight aggregate from dust
Assignee: Solite Corp
•
Filing: 1954-04-28
•
Granted: 1962-06-19
•
Expires: 1974-04-28
Abstract
No abstract record available.
Inventors
- 👤 Old Albert Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:05
CPC Classifications
B; B01; B01D; B01D51/00; B01D51/02; Y; Y10; Y10S; Y10S425/00; Y10S425/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923420A
Cited
US1892074A
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US1805020A
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US2103746A
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US2478757A
Cited
US2457962A
Cited
US2457963A
Cited
US2569323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |