US2692234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer media
Assignee: Beazer East Inc
•
Filing: 1949-11-05
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Granted: 1954-10-19
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Expires: 1969-11-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas Harold Insinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:20
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/08; C09K5/10; C09K5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A TERNARY MIXTURE OF APPROXIMATELY 16% BY WEIGHT OF LITHIUM NITRATE, 42% BY WEIGHT OF POTASSIUM NITRATE, AND 42% BY WEIGHT OF SODIUM NITRITE.
Claim 2
Dependent Claim
24 words
A TERNARY MIXTURE OF APPROXIMATELY 16% BY WEIGHT OF LITHIUM NITRATE, 42% BY WEIGHT OF POTASSIUM NITRATE, AND 42% BY WEIGHT OF SODIUM NITRITE.
References Cited (Backward Citations)
US1555400A
Cited
US1984369A
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US2148664A
Cited
US2205180A
Cited
CH214894A
Cited
US2375759A
Cited
US2429129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |