US2530489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incendiary composition
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1944-09-25
•
Granted: 1950-11-21
•
Expires: 1964-09-25
Abstract
No abstract record available.
Inventors
- 👤 William F Van Loenen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:21
CPC Classifications
C; C06; C06C; C06C15/00; C06B; C06B39/00; C06B39/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN INCENDIARY COMPOSITION COMPRISING THE MAGNESIUM DUST FORMED IN THE THERMAL REDUCTION OF MAGNESIA BY CARBON, SAID DUST BEARING A COATING COMPRISING A MIXTURE OF ASPHALT AND LIQUID HYDROCARBON TO REDUCE ITS ACTIVITY IN AIR, AND AT LEAST ONE SUBSTANCE OF THE CLASS CONSISTING OF THE METALLIC CARBIDES AND THE METALLIC PHOSPHIDES.
Claim 2
Dependent Claim
52 words
AN INCENDIARY COMPOSITION COMPRISING THE MAGNESIUM DUST FORMED IN THE THERMAL REDUCTION OF MAGNESIA BY CARBON, SAID DUST BEARING A COATING COMPRISING A MIXTURE OF ASPHALT AND LIQUID HYDROCARBON TO REDUCE ITS ACTIVITY IN AIR, AND AT LEAST ONE SUBSTANCE OF THE CLASS CONSISTING OF THE METALLIC CARBIDES AND THE METALLIC PHOSPHIDES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |