US2744633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filters
Assignee: Georgia Kaolin Co
•
Filing: 1951-10-02
•
Granted: 1956-05-08
•
Expires: 1971-10-02
Abstract
No abstract record available.
Inventors
- 👤 Saunders Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:00
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/06; B01D33/067; B01D33/073; B01D33/44; B01D33/48; B01D33/50; B01D2201/00; B01D2201/28; B01D2201/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377765A
Cited
GB379592A
Cited
US2204928A
Cited
US2263852A
Cited
US2560581A
Cited
US2561282A
Cited
US2534563A
Cited
US2567266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |