US2587020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali cellulose temperature control
Assignee: Akzo Nobel UK PLC
•
Filing: 1948-09-10
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Granted: 1952-02-26
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Dan B Wicker
- 👤 Jr George C Yehling
- 👤 John W Moody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:36
CPC Classifications
C; C08; C08B; C08B1/00; C08B1/08; C08B1/10
Claims Analysis
Total Claims: 0
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US2406395A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |