US3334010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-resistant fibrous amphibole asbestos board containing an inorganic binder
Assignee: Philip Carey Manufacturing Co
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Filing: 1964-09-11
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Granted: 1967-08-01
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 William A Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:22
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0032; B29D99/0035; C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; B29L; B29L2031/00; B29L2031/32; B29L2031/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN ASBESTOS MILLBOARD COMPOSED OF FROM ABOUT 60 PERCENT TO ABOUT 93 PERCENT ASBESTOS FIBERS BONDED WITH FROM ABOUT 40 PERCENT TO ABOUT 7 PERCENT OF A HEAT RESISTANT INORGANIC BINDER, SAID FIBERS INCLUDING AT LEAST 30 PERCENT BY WEIGHT OF THE TOTAL FIBER CONTENT OF A TOUGH, RESILIENT AMPHIBOLE ASBESTOS OF PAPER-MAKING GRADE SELECTED FROM THE CLASS CONSISTING OF CROCIDOLITE AND AMOSITE, THE REMAINDER OF THE FIBER BEING CHRYSOTILE ASBESTOS OF PAPER MAKING GRADE, SAID HEAT RESISTANT BINDER BEING A COMPOSITE MIXTURE OF A SELF-SETTING HYDRAULIC CEMENT AND A PLASTIC MONTMORILLONITIC CLAY IN THE PROPORTION OF FROM ABOUT 2.5 TO 1 TO ABOUT 3 TO 1, SAID ASBESTOS MILLBOARD BEING CHARACTERIZED BY A VERY LOW HEAT SHRINKAGE AN BY SUBSTANTIAL RESILIENCE AFTER BEING HEATED AND COMPRESSED, WHEREBY SAID MILLBOARD IS ENABLED TO ENDURE CONTINUOUS CONTACT WITH SHEET MATERIAL HAVING A SURFACE TEMPERATURE OF 1200*F. FOR LONG PERIODS OF TIME WITHOUT SUBSTANTIAL STRUCTURAL DETERIORATION OF SAID MILLBOARD.
Claim 2
Dependent Claim
157 words
AN ASBESTOS MILLBOARD COMPOSED OF FROM ABOUT 60 PERCENT TO ABOUT 93 PERCENT ASBESTOS FIBERS BONDED WITH FROM ABOUT 40 PERCENT TO ABOUT 7 PERCENT OF A HEAT RESISTANT INORGANIC BINDER, SAID FIBERS INCLUDING AT LEAST 30 PERCENT BY WEIGHT OF THE TOTAL FIBER CONTENT OF A TOUGH, RESILIENT AMPHIBOLE ASBESTOS OF PAPER-MAKING GRADE SELECTED FROM THE CLASS CONSISTING OF CROCIDOLITE AND AMOSITE, THE REMAINDER OF THE FIBER BEING CHRYSOTILE ASBESTOS OF PAPER MAKING GRADE, SAID HEAT RESISTANT BINDER BEING A COMPOSITE MIXTURE OF A SELF-SETTING HYDRAULIC CEMENT AND A PLASTIC MONTMORILLONITIC CLAY IN THE PROPORTION OF FROM ABOUT 2.5 TO 1 TO ABOUT 3 TO 1, SAID ASBESTOS MILLBOARD BEING CHARACTERIZED BY A VERY LOW HEAT SHRINKAGE AN BY SUBSTANTIAL RESILIENCE AFTER BEING HEATED AND COMPRESSED, WHEREBY SAID MILLBOARD IS ENABLED TO ENDURE CONTINUOUS CONTACT WITH SHEET MATERIAL HAVING A SURFACE TEMPERATURE OF 1200*F. FOR LONG PERIODS OF TIME WITHOUT SUBSTANTIAL STRUCTURAL DETERIORATION OF SAID MILLBOARD.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |