US3453237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive polymers having a linear chain containing the styryl ketone group
Assignee: Eastman Kodak Co
•
Filing: 1959-07-21
•
Granted: 1969-07-01
•
Expires: 1979-07-21
Abstract
No abstract record available.
Inventors
- 👤 Douglas G Borden
- 👤 Cornelius C Unruh
- 👤 Stewart H Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:32
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0384; C; C08; C08F; C08F283/00; C08F283/01; C08G; C08G6/00; C08G6/02; C08G63/00; C08G63/64; C08G64/00; C08G64/04; C08G64/045; C08G64/16; C08G64/1691; C08G64/18; C08G79/00; C08G79/02; C08G79/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |