US2810710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urea formaldehyde condensation product
Assignee: Hexion Inc
•
Filing: 1955-06-10
•
Granted: 1957-10-22
•
Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Donald R Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:13
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/10; C08G12/12; C05; C05C; C05C9/00; C05C9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2415705A
Cited
US2618546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |