US2527595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon body and method of making
Assignee: GREAT LAKES CARBON Corp
•
Filing: 1946-03-29
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Granted: 1950-10-31
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Expires: 1966-03-29
Abstract
No abstract record available.
Inventors
- 👤 Lloyd C Swallen
- 👤 Harold W Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:28
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/06; H05B7/08; H05B7/085; C; C25; C25C; C25C7/00; C25C7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A DENSE, STRONG, UNIFORM CARBON BODY RESULTING FROM BAKING AT A CARBONIZING TEMPERATURE A MIXTURE OF PINCH BINDER AND CABON SOLIDS, THE SOLIDS COMPRISING ABOUT 10 TO ABOUT 40% BY WEIGHT OF THERMATOMIC CARBON AND ABOUT 90 TO ABOUT 62% BY WEIGHT OF COMMINUTED CALCINED COKE.
Claim 2
Dependent Claim
46 words
A DENSE, STRONG, UNIFORM CARBON BODY RESULTING FROM BAKING AT A CARBONIZING TEMPERATURE A MIXTURE OF PINCH BINDER AND CABON SOLIDS, THE SOLIDS COMPRISING ABOUT 10 TO ABOUT 40% BY WEIGHT OF THERMATOMIC CARBON AND ABOUT 90 TO ABOUT 62% BY WEIGHT OF COMMINUTED CALCINED COKE.
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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |