US2432890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furfuryl alcohol reaction methods and products
Assignee: OI Glass Inc
•
Filing: 1944-03-09
•
Granted: 1947-12-16
•
Expires: 1964-03-09
Abstract
No abstract record available.
Inventors
- 👤 Herman I Hersh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:28
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C08G65/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1665235A
Cited
US2058597A
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US2323333A
Cited
US2345966A
Cited
US2335701A
Cited
US2343973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |