Patent US3704184A successfully refreshed from Google Patents.
US3704184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isopycnic slurry formulations
Assignee: RTX Corp
•
Filing: 1965-10-22
•
Granted: 1972-11-28
•
Expires: 1985-10-22
Abstract
Abstract THE INVENTION RELATES TO SLURRY OF A FINELY DIVIDED METAL OF A DENSITY SUBSTANTIALLY EUQL TO A COMBUSTIBLE LIQUID CARRIER. THE METAL MAY BE IN THE FORM OF HOLLOW SPHERES CONTAINING LITHIUM AND LOW DENSITY METAL HYDRADES OR PENTABORANE, HYDRAZINE, ETHANOL, WATER, NITROGEN TETROXIDE AND HYDROGEN PEROXIDE. THE COMBUSTIBLE LIQUID CARRIER MAY INCLUDE KEROSENE TYPE FUELS, HYDRAZINE AND PENTABORANE OR LIQUID OXIDIZER CARRIERS SUCH AS HYDROGEN PEROXIDE, LIQUID OXYGEN, CHLORINE TRIFLUORIDE AND NITROGEN TETROXIDE. THESE SLURRIES ARE USEFUL AS LIQUID PROPELLANTS OR FUELS.
Inventors
- 👤 Donald K Kuehl
- 👤 Arthur W Blackman
- 👤 Irvin Glassman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:35
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/02; C06B47/00; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114; Y10T; Y10T428/00; Y10T428/12; Y10T428/12181
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |