Patent US2509599A successfully refreshed from Google Patents.
US2509599A
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Thermal insulating cement
Assignee: Baldwin-Hill Co
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Filing: 1949-01-10
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Granted: 1950-05-30
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Expires: 1969-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick H Hollenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:49
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A COMPOSITION IN THE FORM OF A LOOSE DRY MIXTURE ADAPTED TO BE MIXED WITH WATER AND USED AS A THERMAL INSULATING CEMENT COMPRISING INORGANIC FIBROUS MATERIAL INCLUDING MINERAL WOOL IN AN AMOUNT BETWEEN ABOUT 35% AND ABOUT 65%, AN INORGANIC BINDER THEREFOR SELECTED FROM THE GROUP CONSISTING OF THE HYDROPHILLIC, SOLVATABLE ALKALI METAL AND ALKALINE EARTH METAL SILICATES AND ALUMINATES IN AN AMOUNT BETWEEN ABOUT 5% AND ABOUT 40%, AND BETWEEN ABOUT 2% AND ABOUT 5% OF SODIUM OXALATE, AT LEAST THE PREPONDERANT PROPORTION OF SAID FIBROUS MATERIAL BEING SAID MINERAL WOOL.
Claim 2
Dependent Claim
93 words
A COMPOSITION IN THE FORM OF A LOOSE DRY MIXTURE ADAPTED TO BE MIXED WITH WATER AND USED AS A THERMAL INSULATING CEMENT COMPRISING INORGANIC FIBROUS MATERIAL INCLUDING MINERAL WOOL IN AN AMOUNT BETWEEN ABOUT 35% AND ABOUT 65%, AN INORGANIC BINDER THEREFOR SELECTED FROM THE GROUP CONSISTING OF THE HYDROPHILLIC, SOLVATABLE ALKALI METAL AND ALKALINE EARTH METAL SILICATES AND ALUMINATES IN AN AMOUNT BETWEEN ABOUT 5% AND ABOUT 40%, AND BETWEEN ABOUT 2% AND ABOUT 5% OF SODIUM OXALATE, AT LEAST THE PREPONDERANT PROPORTION OF SAID FIBROUS MATERIAL BEING SAID MINERAL WOOL.
References Cited (Backward Citations)
US1944008A
Cited
US2497581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |