US2475423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-fluoromethyl styrenes and polymers thereof
Assignee: Eastman Kodak Co
•
Filing: 1948-04-13
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Granted: 1949-07-05
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Expires: 1968-04-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Dickey
- 👤 Theodore E Stanin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:28
CPC Classifications
C; C07; C07C; C07C25/00; C07C25/24; C07C17/00; C07C17/35; C07C22/00; C07C22/02; C07C22/04; C07C22/08; C08; C08F; C08F12/00; C08F12/02; C08F12/04; C08F12/14; C08F12/16; C08F12/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2414330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |