US2532460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency apparatus for drying materials electrostatically
Assignee: Akzo Nobel UK PLC
•
Filing: 1947-12-24
•
Granted: 1950-12-05
•
Expires: 1967-12-24
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:10
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/32; F26B3/34; F26B3/347; D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0472; D01D10/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2231457A
Cited
DE699082C
Cited
US2304958A
Cited
US2325652A
Cited
US2388824A
Cited
US2436732A
Cited
US2428615A
Cited
US2457659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |