US3479185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerizable compositions and layers containing 2,4,5-triphenylimidazoyl dimers
Assignee: EIDP Inc
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Filing: 1967-12-07
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Granted: 1969-11-18
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Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Vaughan Crandall Chambers Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:45
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/114; Y10S430/117; Y10S430/12; Y10S430/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3361755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |