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US2464207A
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Crystalline dihydroxy phenols
Assignee: BAMELITE Corp
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Filing: 1944-03-24
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Granted: 1949-03-15
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Expires: 1964-03-24
Abstract
No abstract record available.
Inventors
- 👤 Howard L Bender
- 👤 Alford G Farnham
- 👤 John W Guyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:18
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/11; C07C37/20; C07C37/001; C07C37/002; C07C37/01; C07C37/045; C07C39/00; C07C39/12; C07C39/15; C07C39/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1088677A
Cited
US1614171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |