US3092505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory insulating and sealing compound
Assignee: Quigley Co Inc
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Filing: 1960-01-20
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Granted: 1963-06-04
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Expires: 1980-01-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Demaison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A HIGH TEMPERATURE RESISTING LIGHTWEIGHTED REFRACTORY INSULATING AND SEALING COMPOUND ADAPTED TO BE MIXED WITH WATER, SAID REFRACTORY COMPOUND COMPRISING A MIXTURE OF SOLID DENSE HIGH TEMPERATURE REFRACTORY GRAINS IN FINELY DIVIDED FORM AND OF A LIGHTWEIGHT FIBROUS POROUS PLASTIC INSULATING REFRACTORY COMPOSITION, SAID POROUS REFRACTORY COMPOSITION COMPRISING 5 TO 30% BY WEIGHT OF MINERAL FIBERS, 20 TO 40% BY WEIGHT OF REFRACTORY INSULATING POROUS PARTICLES, AND 25 TO 50% BY WEIGHT OF HYDRAULIC SETTING CEMENT, SAID POROUS PARTICLES BEING IN THE FORM OF LARGE GRAIN SIZE AGGREGATES OF LIGHTER WEIGHT THAN ANY OF THE OTHER INGREDIENTS OF SAID POROUS REFRACTORY COMPOSITION, SAID MIXTURE BEING COMPOSED OF 1 PART BY WEIGHT OF SAUD POROUS REFRACTORY COMPOSITION AND 3 TO 7 PARTS BY WEIGHT OF SAID SOLIC DENSE HIGH TEMPERATURE REFRACTORY GRAINS, THE MELTING TEMPERATURE OF SAID SOLID DENSE HIGH TEMPERATURE REFRACTORY GRAINS BEING SUBSTANTIALLY GREATER THAN THAT OF THE POROUS REFRACTORY COMPOSITION.
Claim 2
Dependent Claim
152 words
A HIGH TEMPERATURE RESISTING LIGHTWEIGHTED REFRACTORY INSULATING AND SEALING COMPOUND ADAPTED TO BE MIXED WITH WATER, SAID REFRACTORY COMPOUND COMPRISING A MIXTURE OF SOLID DENSE HIGH TEMPERATURE REFRACTORY GRAINS IN FINELY DIVIDED FORM AND OF A LIGHTWEIGHT FIBROUS POROUS PLASTIC INSULATING REFRACTORY COMPOSITION, SAID POROUS REFRACTORY COMPOSITION COMPRISING 5 TO 30% BY WEIGHT OF MINERAL FIBERS, 20 TO 40% BY WEIGHT OF REFRACTORY INSULATING POROUS PARTICLES, AND 25 TO 50% BY WEIGHT OF HYDRAULIC SETTING CEMENT, SAID POROUS PARTICLES BEING IN THE FORM OF LARGE GRAIN SIZE AGGREGATES OF LIGHTER WEIGHT THAN ANY OF THE OTHER INGREDIENTS OF SAID POROUS REFRACTORY COMPOSITION, SAID MIXTURE BEING COMPOSED OF 1 PART BY WEIGHT OF SAUD POROUS REFRACTORY COMPOSITION AND 3 TO 7 PARTS BY WEIGHT OF SAID SOLIC DENSE HIGH TEMPERATURE REFRACTORY GRAINS, THE MELTING TEMPERATURE OF SAID SOLID DENSE HIGH TEMPERATURE REFRACTORY GRAINS BEING SUBSTANTIALLY GREATER THAN THAT OF THE POROUS REFRACTORY COMPOSITION.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |