Patent US3300310A successfully refreshed from Google Patents.
US3300310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray intensifying screens employing aqueous ethyl alcohol-soluble nylon binders
Assignee: Eastman Kodak Co
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Filing: 1964-05-01
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Granted: 1967-01-24
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Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Kennard
- 👤 Albert E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:39
CPC Classifications
G; G21; G21K; G21K4/00; Y; Y10; Y10S; Y10S430/00; Y10S430/167
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN X-RAY INTENSIFYING SCREEN COMPOSED OF A SUPPORT HAVING A LAYER THEREON COATED FROM AQUEOUS SOLUTION, SAID LAYER COMPRISING AN ACTIVE INGREDIENT SELECTED FROM THE GROUP CONSISTING OF PHOSPHORS, METALLIC LEAD AND LEAD COMPOUNDS DISPERSED IN AQUEOUS ETHYL ALCOHOL-SOLUBLE NYLON BINDER, THE WEIGHT RATIO OF ACTIVE INGREDIENT TO BINDER BING AT LEAST 1:1.
Claim 2
Dependent Claim
53 words
AN X-RAY INTENSIFYING SCREEN COMPOSED OF A SUPPORT HAVING A LAYER THEREON COATED FROM AQUEOUS SOLUTION, SAID LAYER COMPRISING AN ACTIVE INGREDIENT SELECTED FROM THE GROUP CONSISTING OF PHOSPHORS, METALLIC LEAD AND LEAD COMPOUNDS DISPERSED IN AQUEOUS ETHYL ALCOHOL-SOLUBLE NYLON BINDER, THE WEIGHT RATIO OF ACTIVE INGREDIENT TO BINDER BING AT LEAST 1:1.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |