US3025153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-producing mixtures
Assignee: Foundry Services International Ltd
•
Filing: 1960-01-19
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Granted: 1962-03-13
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Expires: 1980-01-19
Abstract
No abstract record available.
Inventors
- 👤 Cross Albert Stanley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:49
CPC Classifications
C; C22; C22B; C22B5/00; C22B5/02; C22B5/04; B; B22; B22D; B22D7/00; B22D7/06; B22D7/10; B22D7/104; C22B5/06; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A HEAT-PRODUCING COMPOSITION CONSISTING ESSENTIALLY OF AN ADMIXTURE OF SILICON, ALUMINIUM, OXIDISING AGENT AND IRON, TOGETHER WITH AN INERT FILLER MATERIAL, THE SAID ADMIXTURE CONSISTING ESSENTIALLY OF 2 TO 12 PARTS BY WEIGHT OF ELEMENTAL SILICON, 12 TO 40 PARTS BY WEIGHT OF ELEMENTAL ALUMINIUM 6 TO 15 PARTS BY WEIGHT OF OXIDISING AGENT AND UP TO 10 PARTS BY WEIGH OF IRON, ALL IN FINELY DIVIDED CONDITION AND THE BALANCE INERT FILLER MATERIAL.
Claim 2
Dependent Claim
74 words
A HEAT-PRODUCING COMPOSITION CONSISTING ESSENTIALLY OF AN ADMIXTURE OF SILICON, ALUMINIUM, OXIDISING AGENT AND IRON, TOGETHER WITH AN INERT FILLER MATERIAL, THE SAID ADMIXTURE CONSISTING ESSENTIALLY OF 2 TO 12 PARTS BY WEIGHT OF ELEMENTAL SILICON, 12 TO 40 PARTS BY WEIGHT OF ELEMENTAL ALUMINIUM 6 TO 15 PARTS BY WEIGHT OF OXIDISING AGENT AND UP TO 10 PARTS BY WEIGH OF IRON, ALL IN FINELY DIVIDED CONDITION AND THE BALANCE INERT FILLER MATERIAL.
References Cited (Backward Citations)
US2247262A
Cited
US2402947A
Cited
US2337314A
Cited
US2745736A
Cited
US2799575A
Cited
US2791816A
Cited
GB772273A
Cited
US2848321A
Cited
US2855337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |