US2641581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of transmitting heat
Assignee: John B. Pierce Laboratory
•
Filing: 1949-08-03
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Granted: 1953-06-09
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Expires: 1969-08-03
Abstract
No abstract record available.
Inventors
- 👤 Fano Ettore Da
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:52
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
IN THE PROCESS FOR TRANSMITTING HEAT TO MATERIALS IN INDIRECT CONTACT WITH A HEAT TRANSMITTING MEDIUM, THE STEP OF EMPLOYING AS A HEAT TRANSMITTING MEDIUM A MIXTURE CONSISTING ESSENTIALLY OF AT LEAST TWO OF THE COMPOUNDS TRIISOPROPYL-MONO-PHENYL ORTHOSILICATE, DI-ISOPROPYL-DIPHENYL ORTHOSILICATE AND MONO-ISOPROPYL-TRIPHENYL ORTHOSILICATE.
Claim 2
Dependent Claim
43 words
IN THE PROCESS FOR TRANSMITTING HEAT TO MATERIALS IN INDIRECT CONTACT WITH A HEAT TRANSMITTING MEDIUM, THE STEP OF EMPLOYING AS A HEAT TRANSMITTING MEDIUM A MIXTURE CONSISTING ESSENTIALLY OF AT LEAST TWO OF THE COMPOUNDS TRIISOPROPYL-MONO-PHENYL ORTHOSILICATE, DI-ISOPROPYL-DIPHENYL ORTHOSILICATE AND MONO-ISOPROPYL-TRIPHENYL ORTHOSILICATE.
References Cited (Backward Citations)
US2335012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |