US3475171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent development of photopolymerized layers
Assignee: EIDP Inc
•
Filing: 1967-12-15
•
Granted: 1969-10-28
•
Expires: 1987-12-15
Abstract
No abstract record available.
Inventors
- 👤 Francis Peter Alles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:07
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/30; G03F7/32; G03F7/004; G03F7/09; G03F7/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA731086A
Cited
US2927022A
Cited
US2902365A
Cited
US2990281A
Cited
US3255004A
Cited
US3252800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |