US3562084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light weight bodies of cotton fiber reinforced hydrous alkaline earth metal silicate thermal insulation material
Assignee: Owens Corning
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Filing: 1967-05-17
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Granted: 1971-02-09
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Expires: 1987-05-17
Abstract
Abstract A SYNATHETICALLY PREPARED BODY OF MOLDED HIGH TEMPERATURE THERMAL INSULATION MATERIAL COMPOSED ESENTIALLY OF A MATRIX OF CHEMICALLY COMBINED ALKALINE EARTH METAL SILICATE INTERSPERSED WIT COTTON FIBERS (ENACIOUSLY ANCHORED INTO THE MATRIX AND PROVIDING REINFORCEMENT AND INCREASED STRUCTURAL AND INTEGRITY TO THE INSULATION MATERIAL. THE COTTON FIBERS ARE INTERSPERSED IN THE MATRIX OF THE INSULATION MATERIAL IN THE FORM OF INDIVIDUAL OR WOUND GROUPINGS OF FILAMENTS, STRANDS OR ROVINGS OR THE LIKE AND/OR IN THE FORM OF AN OPEN NETWORK FABRIC OF INTERLOCKED OR INTERWOVEN COTTON FIBERS SUCH AS COTTON MESH OR COTTON NETTING OR THE LIKE.
Inventors
- 👤 Richard F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:09
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/021; F16L59/024; C; C04; C04B; C04B28/00; C04B28/18; F16L59/029; Y; Y10; Y10T; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/171
Claims Analysis
Total Claims: 0
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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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |