US2473548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of vinylidene compounds in aqueous emulsion in the presence of ionizable silver compounds and ammonia
Assignee: Goodrich Corp
•
Filing: 1947-10-11
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Granted: 1949-06-21
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Expires: 1967-10-11
Abstract
No abstract record available.
Inventors
- 👤 Grant W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; Y; Y10; Y10S; Y10S526/00; Y10S526/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2419090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |