US3029146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reproduction material
Assignee: Azoplate Corp
•
Filing: 1958-04-02
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Granted: 1962-04-10
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Expires: 1978-04-02
Abstract
No abstract record available.
Inventors
- 👤 Maximilian P Schmidt
- 👤 Sus Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:59
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022; G03F7/0223
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
A METHOD OF DEVELOPING LIGHT-SENSITIVE MATERIAL WHICH COMPRISES EXPOSING A BASE MATERIAL COATED WITH A LAYER COMPRISING A WATER SWELLABLE ORGANIC COLLOID AND A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
GB706028A
Cited
US2754209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |