US3794491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplification of low-density polyyne images
Assignee: Eastman Kodak Co
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Filing: 1972-06-14
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Granted: 1974-02-26
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Expires: 1992-06-14
Abstract
Abstract IMAGES FORMED IN A LAYER OF POLYACETYLENIC MATERIAL CAN BE AMPLIFIED BY SUBJECTING THE IMAGED LAYER TO RADIATION WHICH IS PREFERENTIALLY ABSORBED BY THE IMAGE AREAS.
Inventors
- 👤 P Borsenberger
- 👤 A Guevara
- 👤 J Manthey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:52
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/025
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |