US2884380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulation material and method of making the same
Assignee: Philip Carey Manufacturing Co
•
Filing: 1956-08-23
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Granted: 1959-04-28
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Expires: 1976-08-23
Abstract
No abstract record available.
Inventors
- 👤 Cook Henry Albert
- 👤 Robert E Fleming
- 👤 Russell H Heilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:42
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A MOLDED THERMAL INSULATING MATERIAL COMPRISING FROM ABOUT 45% TO ANPUT 94% OF EXPANDED CELLULAR PERLITE, FROM ABOUT 5% TO ABOUT 20% OF A MONTMORILLONITIC CLAY CONSTITUTING A PRIMARY BINDER, FROM ABOUT 1% TO ABOUT 20% OF AN ORGANIC BINDER MATERIAL CONSTITUTING A SECONDARY BINDER, AND SELECTED FROM THE GROUP CONSISTING OF ORGANIC MATERIALS WHICH ARE,PER SE, RESISTANT TO BOILING WATER, AND ORGANIC MATERIALS WHICH ARE NOT. PER SE, RESISTANT TO BOILING WATER, BUT WHICH HAVE BEEN RENDERED RESISTANT TO BOILING WATER BY THE ADDITION OF FROM ABOUT .2% TO ABOUT 1.0% OF SILICONE, AND UP TO ABOUT 15% FIBER SAID MATERIAL SHOWING NOW SIGNIFICANT CHANGE FROM MOLD DIMENSION, BEING MECHANICALLY STABLE, EXHIBITING GOOD STRENGTH, AND HAVING HIGH THERMAL INSULATION EFFICIENCY AT ALL TEMPERATURE FROM-350*F. TO 1700*F., AND BEING HIGHLY RESISTANT TO STRUCTURAL DISINTERGRATION BY MOISTURE OR BOILING WATER.
Claim 2
Dependent Claim
139 words
A MOLDED THERMAL INSULATING MATERIAL COMPRISING FROM ABOUT 45% TO ANPUT 94% OF EXPANDED CELLULAR PERLITE, FROM ABOUT 5% TO ABOUT 20% OF A MONTMORILLONITIC CLAY CONSTITUTING A PRIMARY BINDER, FROM ABOUT 1% TO ABOUT 20% OF AN ORGANIC BINDER MATERIAL CONSTITUTING A SECONDARY BINDER, AND SELECTED FROM THE GROUP CONSISTING OF ORGANIC MATERIALS WHICH ARE,PER SE, RESISTANT TO BOILING WATER, AND ORGANIC MATERIALS WHICH ARE NOT. PER SE, RESISTANT TO BOILING WATER, BUT WHICH HAVE BEEN RENDERED RESISTANT TO BOILING WATER BY THE ADDITION OF FROM ABOUT .2% TO ABOUT 1.0% OF SILICONE, AND UP TO ABOUT 15% FIBER SAID MATERIAL SHOWING NOW SIGNIFICANT CHANGE FROM MOLD DIMENSION, BEING MECHANICALLY STABLE, EXHIBITING GOOD STRENGTH, AND HAVING HIGH THERMAL INSULATION EFFICIENCY AT ALL TEMPERATURE FROM-350*F. TO 1700*F., AND BEING HIGHLY RESISTANT TO STRUCTURAL DISINTERGRATION BY MOISTURE OR BOILING WATER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |