US2731342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water reactive alloy
Assignee: Individual
•
Filing: 1952-03-24
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Granted: 1956-01-17
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Expires: 1972-03-24
Abstract
No abstract record available.
Inventors
- 👤 Otto T Pfefferkorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:58
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A WATER REACTIVE COMPOSITION CONSISTING OF LITHIUM MIXED WITH 1% TO 25% BY WEIGHT OF ALUMINUM AND 1% TO 10 % BY WEIGHT OF AN ALKALI METAL FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM.
Claim 2
Dependent Claim
35 words
A WATER REACTIVE COMPOSITION CONSISTING OF LITHIUM MIXED WITH 1% TO 25% BY WEIGHT OF ALUMINUM AND 1% TO 10 % BY WEIGHT OF AN ALKALI METAL FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |