US3600168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive reproduction sheet and method and coating composition therefor using free radicals
Assignee: Bard Laboratories Inc
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Filing: 1966-11-15
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Granted: 1971-08-17
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Expires: 1986-11-15
Abstract
Abstract LIGHT SENSITIVE COPY SHEET EMPLOYING A LIGHT SENSITIVE COMPOSITION COMPRISING AN ORGANIC COLORED STABLE FREE RADICAL AND A PRECURSOR SENSITIVE TO LIGHT TO BE CONVERTED TO TRANSIENT FREE RADICALS REACTIVE WITH THE STABLE FREE RADICAL TO BLEACH OUT THE COLOR THEREOF AND THEREBY FORM AN IMAGE.
Inventors
- 👤 William R Lawton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:02
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03C1/73; Y; Y10; Y10S; Y10S430/00; Y10S430/156
Claims Analysis
Total Claims: 0
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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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |