US3073652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportation of coal by pipeline
Assignee: Consolidation Coal Co
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Filing: 1961-05-26
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Granted: 1963-01-15
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Eric H Reichl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:51
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A METHOD OF TRANSPORTING COAL OVER LONG DISTANCES FOR CONVERSION AT DISTANT LOCATIONS WHICH COMPRISES PREPARING A SLURRY OF COAL AND WATER COMPRISING BETWEEN 35 AND 60 PERCENT BY WEIGHT OF SAOD COAL IN SAID WATER, SAID COAL HAVING A SPECTRUM OF SIZES WITH A TOP SIZE OF ABOUT 4 MESH TYLER STANDARD SCREEN, TRANSPORTING SAID SLURRY THROUGH A PIPELINE OVER LONG DISTANCES TO A DISTANT LOCATION, INTERRUPTING THE TRANSPORTATION OF SAID SLURRY AT SAID DISTANT LOCATION, THEREAFTER ADJUSTING THE SOLIDS CONCENTRATION OF SAID SLURRY SO THAT SAID CONCENTRATED SLURRY HAS BETWEEN ABOUT 60 AND 75 PERCENT BY WEIGHT OF SAID COAL IN SAID WATER, TRANSPORTING SAID CONCENTRATED SLURRY THROUGH A SECOND PIPELINE OVER A SHORTER DISTANCE TO A SECOND LOCATION, AND CONVERTING SAID COAL IN SAID CONCENTRATED SLURRY AT SAID SECOND LOCATION.
Claim 2
Independent Claim
133 words
A METHOD OF TRANSPORTING COAL OVER LONG DISTANCES FOR CONVERSION AT DISTANT LOCATIONS WHICH COMPRISES PREPARING A SLURRY OF COAL AND WATER COMPRISING BETWEEN 35 AND 60 PERCENT BY WEIGHT OF SAOD COAL IN SAID WATER, SAID COAL HAVING A SPECTRUM OF SIZES WITH A TOP SIZE OF ABOUT 4 MESH TYLER STANDARD SCREEN, TRANSPORTING SAID SLURRY THROUGH A PIPELINE OVER LONG DISTANCES TO A DISTANT LOCATION, INTERRUPTING THE TRANSPORTATION OF SAID SLURRY AT SAID DISTANT LOCATION, THEREAFTER ADJUSTING THE SOLIDS CONCENTRATION OF SAID SLURRY SO THAT SAID CONCENTRATED SLURRY HAS BETWEEN ABOUT 60 AND 75 PERCENT BY WEIGHT OF SAID COAL IN SAID WATER, TRANSPORTING SAID CONCENTRATED SLURRY THROUGH A SECOND PIPELINE OVER A SHORTER DISTANCE TO A SECOND LOCATION, AND CONVERTING SAID COAL IN SAID CONCENTRATED SLURRY AT SAID SECOND LOCATION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |