US3385681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-starting charcoal briquette and method of making the same
Assignee: UNITED STATES PACKAGING Corp
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Filing: 1963-12-17
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Granted: 1968-05-28
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Mennen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:19
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/40; C10L5/44; C10L11/00; C10L11/04; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y02E50/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
125 words
A CHARCOAL BRIQUETTE FORMED OF A COMPACTED AND DRIED MIXTURE OF GRANULAR CHARCOAL OF A SIZE TO PASS THROUGH A SCREEN IN THE RANGE FROM #20 TO #50 MESH AND GRANULAR COMBUSTION INITIATING AND SUSTAINING MATERIAL ADHERED BY A BINDER SOLUTION, SAID CHARCOAL COMPRISING FROM 84% TO 88% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING OF THE CLASS CONSISTING OF POTASSIUM CHLORATE AND POTASSIUM PERCHLORATE OF A FINER PARTICLE SIZE THEN SAID CHARCOAL GRANULES, AND COMPRISING FROM 12% TO 16% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING DISPERSED THROUGHOUT THE INTERIOR OF SAID BRIQUETTE AND BEING OF GREATER CONCENTRATION ADJACENT THE SURFACE OF THE BRIQUETTE THAN IN THE INTERIOR THEREOF SAID BINDER BEING SUFFICIENT TO BIND THE GRANULAR MATERIAL.
Claim 2
Dependent Claim
125 words
A CHARCOAL BRIQUETTE FORMED OF A COMPACTED AND DRIED MIXTURE OF GRANULAR CHARCOAL OF A SIZE TO PASS THROUGH A SCREEN IN THE RANGE FROM #20 TO #50 MESH AND GRANULAR COMBUSTION INITIATING AND SUSTAINING MATERIAL ADHERED BY A BINDER SOLUTION, SAID CHARCOAL COMPRISING FROM 84% TO 88% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING OF THE CLASS CONSISTING OF POTASSIUM CHLORATE AND POTASSIUM PERCHLORATE OF A FINER PARTICLE SIZE THEN SAID CHARCOAL GRANULES, AND COMPRISING FROM 12% TO 16% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING DISPERSED THROUGHOUT THE INTERIOR OF SAID BRIQUETTE AND BEING OF GREATER CONCENTRATION ADJACENT THE SURFACE OF THE BRIQUETTE THAN IN THE INTERIOR THEREOF SAID BINDER BEING SUFFICIENT TO BIND THE GRANULAR MATERIAL.
Claim 3
Dependent Claim
128 words
A CHARCOAL BRIQUETTE FORMED OF A COMPACTED AND DRIED MIXTURE OF GRANULAR CHARCOAL OF A SIZE TO PASS THROUGH A SCREEN IN THE RANGE FROM #20 TO #36 MESH AND GRANULAR COMBUSTION INITIATING AND SUSTAINING MATERIAL ADHERED BY A BINDER SOLUTION SUFFICIENT TO BIND THE GRANULAR MATERIAL, SAID CHARCOAL COMPRISING FROM 84% TO 88% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING OF THE CLASS CONSISTING OF POTASSIUM CHLORATE AND POTASSIUM PERCHLORATE OF A FINER PARTICLE SIZE THAN SAID CHARCOAL GRANULES, AND COMPRISING FROM 12% TO 16% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING DISPERSED THROUGHOUT THE INTERIOR OF SAID BRIQUETTE OF INCREASED CONCENTRATION AT THE SURFACE OF THE BRIQUETTE TO FACILITATE IGNMITION OF THE BRIQUETTE BY RUBBING IT AGAINST A FRACTION SURFACE.
Claim 4
Dependent Claim
128 words
A CHARCOAL BRIQUETTE FORMED OF A COMPACTED AND DRIED MIXTURE OF GRANULAR CHARCOAL OF A SIZE TO PASS THROUGH A SCREEN IN THE RANGE FROM #20 TO #36 MESH AND GRANULAR COMBUSTION INITIATING AND SUSTAINING MATERIAL ADHERED BY A BINDER SOLUTION SUFFICIENT TO BIND THE GRANULAR MATERIAL, SAID CHARCOAL COMPRISING FROM 84% TO 88% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING OF THE CLASS CONSISTING OF POTASSIUM CHLORATE AND POTASSIUM PERCHLORATE OF A FINER PARTICLE SIZE THAN SAID CHARCOAL GRANULES, AND COMPRISING FROM 12% TO 16% OF SAID MIXTURE BY WEIGHT, SAID COMBUSTION INITIATING MATERIAL BEING DISPERSED THROUGHOUT THE INTERIOR OF SAID BRIQUETTE OF INCREASED CONCENTRATION AT THE SURFACE OF THE BRIQUETTE TO FACILITATE IGNMITION OF THE BRIQUETTE BY RUBBING IT AGAINST A FRACTION SURFACE.
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |