US2476065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified urea-formaldehyde resins
Assignee: Wingfoot Corp
•
Filing: 1946-12-07
•
Granted: 1949-07-12
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Expires: 1966-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jack D Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:10
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2327771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |