US2823138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermofluid vehicle
Assignee: EIDP Inc
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Filing: 1956-05-29
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Granted: 1958-02-11
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Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Lewis C Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:09
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/02; C03C17/04; B; B44; B44C; B44C1/00; B44C1/16; C23; C23D; C23D5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A THERMOFLUID VEHICLE FOR A VITREOUS ENAMEL COLOR COMPOSITION AT LEAST 90% OF WHICH CONSISTS OF 2% TO 25% OF A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF 15,000 TO 20,000, 2% TO 40% OF A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF 1000 TO 6000, AND 36% TO 70% OF A SATURATED STRAIGHT CHAIN ALIPHATIC MONOHYDROXY ALCOHOL HAVING 12 TO 20 CARBON ATOMS IN THE MOLECULAR.
Claim 2
Dependent Claim
69 words
A THERMOFLUID VEHICLE FOR A VITREOUS ENAMEL COLOR COMPOSITION AT LEAST 90% OF WHICH CONSISTS OF 2% TO 25% OF A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF 15,000 TO 20,000, 2% TO 40% OF A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF 1000 TO 6000, AND 36% TO 70% OF A SATURATED STRAIGHT CHAIN ALIPHATIC MONOHYDROXY ALCOHOL HAVING 12 TO 20 CARBON ATOMS IN THE MOLECULAR.
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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |