US2848327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fabric resin impregnated base coated with a light sensitive layer
Assignee: Screen Engineering Co
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Filing: 1953-02-19
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Granted: 1958-08-19
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Expires: 1973-02-19
Abstract
No abstract record available.
Inventors
- 👤 Eichorn Adrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:13
CPC Classifications
G; G03; G03F; G03F1/00; G03F1/68; G03C; G03C1/00; G03C1/52; G03C1/64; G03C1/76; G03C1/77; Y; Y10; Y10S; Y10S430/00; Y10S430/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A DIMENSIONALLY STABLE LIGHT TRANSMITTING PHOTOSENSATIVE FLEXIBLE SHEET MATERIAL FOR COPYING A HIGHLY PRECISE IMAGE WHICH MAY BE RECOPIED COMPRISING A WOVEN GLASS FABRIC FILLED WITH A POLYESTER RESIN WHICH IS THE POLYMERIZATION PRODUCT OF STYRENE WITH THE REACTION PRODUCT OF A DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MALEIC, FUMARIC, ITACONIC AND CITRACONIC ACIDS AND A DIHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, DIETHYLENE GLYCOL, TRIETHYLENE GLYCOL, TRIMETHYLENE GLYCOL, MONOETHYLIN, PROPYLENE GLYCOL AND AN ADHERENT OVERCOAT OF A FILM FORMING ORGANIC MATERIAL CARRYING A PHOTOSENSITIVE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF FERRIC SALTS, DIAZO COMPOUNDS, SILVER HALIDES AND BICHROMATED COLLOIDS ON THE SURFACE OF THE FILLED FABRIC.
References Cited (Backward Citations)
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Cited
US2437962A
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US2443739A
Cited
US2500877A
Cited
US2451126A
Cited
US2534617A
Cited
US2673151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |