US2902524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing molten silicates
Assignee: Stratabar Process Co
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Filing: 1955-10-26
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Granted: 1959-09-01
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Expires: 1975-10-26
Abstract
No abstract record available.
Inventors
- 👤 Elisha W Paxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:31
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/02; C03B5/027; C03B5/16; C03B5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF PRODUCING SILICATES WHICH COMPRISES PRODUCING MOLTEN SILICATES BY MELTING, PASSING A FLOW OF SAID MOLTEN SILICATES THROUGH A SUBMERGED THROAT; APPLYING AT SAID THROAT, THERMAL ENERGY TO SAID FLOW; SENSING, AT SAID THROAT, VARIATIONS IN A CHARACTERISTIC OF SAID FLOW; AND VARYING THE RATE OF APPLICATION OF SAID THERMAL ENERGY IN PROPORTION TO SAID VARIATIONS IN SAID CHARACTERISTICS OF SAID FLOW AT SAID THROAT.
Claim 2
Independent Claim
67 words
THE METHOD OF PRODUCING SILICATES WHICH COMPRISES PRODUCING MOLTEN SILICATES BY MELTING, PASSING A FLOW OF SAID MOLTEN SILICATES THROUGH A SUBMERGED THROAT; APPLYING AT SAID THROAT, THERMAL ENERGY TO SAID FLOW; SENSING, AT SAID THROAT, VARIATIONS IN A CHARACTERISTIC OF SAID FLOW; AND VARYING THE RATE OF APPLICATION OF SAID THERMAL ENERGY IN PROPORTION TO SAID VARIATIONS IN SAID CHARACTERISTICS OF SAID FLOW AT SAID THROAT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |