US3374070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a prepared quickigniting charcoal fuel
Assignee: WILLIAM R GRAHAM
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Filing: 1966-01-10
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Granted: 1968-03-19
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Claude E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:12
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/40; C10L5/44; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y02E50/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF PRODUCING A READILY FLAMMABLE WAXCOATED AND IMPREGNATED CHARCOAL BODY WHICH CONSISTS OF THE SEQUENTIAL STEPS OF SEPARATELY HEATING WAX TO ITS MELTING TEMPERATURE; SUBMERGING SAID CHARCOAL BODY IN SAID MOLTEN WAX AND MAINTAINING IT SO SUBMERGED WHILE FURTHER HEATING THE MOLTEN WAS TO AT LEAST TWICE THE TEMPERATURE OF ITS MELTING POINT, WHEREBY TO EVACUATE ENTRAPPED MOISTURE AND GASES FROM SAID CHARCOAL BODY TO PRODUCE VOIDS THEREIN; THEN COOLING SAID MOLTEN WAX AND CHARCOAL BODY TO THE MELTING TEMPERATURE OF SAID WAX WHEREBY TO CAUSE SAID WAX TO FILL SAID VOIDS, AND THEN REMOVING SAID CHARCOAL BODY FROM SAID MOLTEN WAX.
Claim 2
Independent Claim
104 words
THE METHOD OF PRODUCING A READILY FLAMMABLE WAXCOATED AND IMPREGNATED CHARCOAL BODY WHICH CONSISTS OF THE SEQUENTIAL STEPS OF SEPARATELY HEATING WAX TO ITS MELTING TEMPERATURE; SUBMERGING SAID CHARCOAL BODY IN SAID MOLTEN WAX AND MAINTAINING IT SO SUBMERGED WHILE FURTHER HEATING THE MOLTEN WAS TO AT LEAST TWICE THE TEMPERATURE OF ITS MELTING POINT, WHEREBY TO EVACUATE ENTRAPPED MOISTURE AND GASES FROM SAID CHARCOAL BODY TO PRODUCE VOIDS THEREIN; THEN COOLING SAID MOLTEN WAX AND CHARCOAL BODY TO THE MELTING TEMPERATURE OF SAID WAX WHEREBY TO CAUSE SAID WAX TO FILL SAID VOIDS, AND THEN REMOVING SAID CHARCOAL BODY FROM SAID MOLTEN WAX.
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) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |