US3373141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive copolymers of styrene and acrolein derivatized with aryl amines
Assignee: General Electric Co
•
Filing: 1964-10-08
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Granted: 1968-03-12
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Aftergut Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:14
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/07; G03G5/071; C; C08; C08F; C08F8/00; C08F8/30; C08F8/32; C08F2800/00; C08F2800/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3163531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |