US2561183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl acetal resin stabilized with urea-formaldehyde reaction product
Assignee: Shawinigan Resins Corp
•
Filing: 1947-01-08
•
Granted: 1951-07-17
•
Expires: 1967-01-08
Abstract
No abstract record available.
Inventors
- 👤 Robert N Crozier
- 👤 Alfred T Marinaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/21
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2194613A
Cited
US2162678A
Cited
US2282057A
Cited
US2282026A
Cited
US2356564A
Cited
US2258410A
Cited
US2322938A
Cited
US2343997A
Cited
US2373135A
Cited
US2423565A
Cited
US2396098A
Cited
US2374067A
Cited
US2433098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |