US2575119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray drying equipment and method
Assignee: Western Condensing Co
•
Filing: 1949-08-22
•
Granted: 1951-11-13
•
Expires: 1969-08-22
Abstract
No abstract record available.
Inventors
- 👤 David D Peebles
- 👤 Reginald E Meade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:06
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/16; B01D1/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1107784A
Cited
GB317166A
Cited
US2184314A
Cited
US2081909A
Cited
US2151079A
Cited
US2473035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |