US2457657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizable composition
Assignee: Monsanto Chemicals Ltd
•
Filing: 1944-11-04
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Granted: 1948-12-28
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Expires: 1964-11-04
Abstract
No abstract record available.
Inventors
- 👤 Sanford E Glick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:34
CPC Classifications
B; B22; B22D; B22D31/00; B22D31/002; B22D31/005; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/66; C08G63/668; C08G63/676; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1772743A
Cited
US2195362A
Cited
US2255313A
Cited
GB540169A
Cited
US2407479A
Cited
US2305224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |