US2477293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl acrylates and methacrylates and their polymers
Assignee: Individual
•
Filing: 1947-06-11
•
Granted: 1949-07-26
•
Expires: 1967-06-11
Abstract
No abstract record available.
Inventors
- 👤 Edward M Filachione
- 👤 Charles H Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:04
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C07; C07C; C07C67/00; C07C67/30; C07C67/317; C07C67/327
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2129685A
Cited
US2117349A
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US2200709A
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US2276138A
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US2412034A
Cited
US2423089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |