Patent US2896263A successfully refreshed from Google Patents.
US2896263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of changing the bulk density of powdered materials
Assignee: Albany International Corp
•
Filing: 1956-06-14
•
Granted: 1959-07-28
•
Expires: 1976-06-14
Abstract
No abstract record available.
Inventors
- 👤 Edward R Frederick
- 👤 George A Bartholomew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
B; B01; B01J; B01J2/00; Y; Y10; Y10S; Y10S264/00; Y10S264/45; Y10T; Y10T428/00; Y10T428/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190022372A
Cited
US2131431A
Cited
US2311154A
Cited
US2385873A
Cited
US2420367A
Cited
US2462487A
Cited
US2641025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |