US2589400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying apparatus
Assignee: Akzo Nobel UK PLC
•
Filing: 1949-01-21
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Granted: 1952-03-18
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Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Koster
- 👤 Louis A Oberly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:31
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/32; F26B3/34; F26B3/343; D; D01; D01D; D01D10/00; D01D10/04; D01D10/0418; D01D10/06; F26B13/00; F26B13/001; F26B13/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626766A
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US2042145A
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US2185609A
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US2231457A
Cited
US2408434A
Cited
US2421334A
Cited
US2436732A
Cited
US2428615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |