US3745077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermit composition and method of making
Assignee: Lockheed Martin Corp
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Filing: 1972-03-15
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Granted: 1973-07-10
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Expires: 1992-03-15
Abstract
Abstract A THERMIT COMPOSITION COMPRISING A MIXTURE OF A REDUCING METAL AND INORGANIC OXIDES WHEREIN ONE OF THE OXIDES IS BORIC OXIDE. THE MIXTURE IS HEATED TO A POINT WHERE THE BORIC OXIDE IS SOFTENED AND ACTS AS A BINDER FOR THE REDUCING METAL AND OTHER OXIDES. PRESSURE IS APPLIED TO THE MIXTURE TO FORM A DENSE, STRUCTURALLY STRONG FINAL PRODUCT WHICH IS USEFUL AS AN INCENDIARY COMPOSITION.
Inventors
- 👤 J Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:31
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/44; C; C06; C06B; C06B33/00; C06C; C06C15/00; C22; C22B; C22B5/00; C22B5/02; C22B5/04; C22B5/06
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |