US3748134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of frostable light sensitive organic layers with water vapor after exposure for obtaining frosted images in unexposed areas
Assignee: Primary Products Ingredients Americas LLC
•
Filing: 1971-03-10
•
Granted: 1973-07-24
•
Expires: 1991-03-10
Abstract
Abstract FROST PATTERNS ARE PRODUCED BY EXPOSING A FROSTABLE LIGHT-SENSITIVE ORGANIC LAYER, COMPRISING A FILM-FORMING FROSTABLE ORGANIC MATERIAL, TO ACTINIC RADIATION IN IMAGERECEIVING MANNER TO FORM A LATENT IMAGE AND PRODUCING A FROST IMAGE IN THE UNEXPOSED AREAS BY CONTACTING THE EXPOSED LAYER WITH WATER VAPOR.
Inventors
- 👤 R Jones
- 👤 W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:50
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |