US3733223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Near infrared illuminating composition
Assignee: United States Department of the Navy
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Filing: 1972-05-22
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Granted: 1973-05-15
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Expires: 1992-05-22
Abstract
Abstract AN ILLUMINATING COMPOSITION WHICH, UPON BURNING, PRODUCES INFRARED RADIATION IN THE 0.74-1.2 MICRON REGION OF THE SPECTRUM. THE PRODUCED RADIATION CAN BE UTILIZED TO PRODUCE IRRADIATION UPON A TARGET TO IMPROVE THE RANGE AND RESOLUTION OF A NIGHT VIEWING DEVICE. THE COMPOSITION IS COMPRISED OF SILICON, HEXAMETHYLENETETRAMINE, AN EPOXY BINDER, AND AN ALKALI METAL NITRATE SELECTED FROM THE GROUP CONSISTING OF POTASSIUM NITRATE, CESIUM NITRATE AND RUBIDIUM NITRATE.
Inventors
- 👤 C Lohkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:34
CPC Classifications
C; C06; C06B; C06B33/00; C06B33/02; C06C; C06C15/00; Y; Y10; Y10S; Y10S149/00; Y10S149/116
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) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |