Patent US3445229A successfully refreshed from Google Patents.
US3445229A
Expired / Lapsed
US
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Photopolymerizable compositions,elements,and processes
Assignee: EIDP Inc
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Filing: 1965-05-17
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Granted: 1969-05-20
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 Vincent Joseph Webers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:02
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027
Claims Analysis
Total Claims: 0
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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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |