Patent US3079349A successfully refreshed from Google Patents.
US3079349A
Expired / Lapsed
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Silicone resin foam containing aluminum and method for making same
Assignee: Dow Silicones Corp
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Filing: 1954-10-04
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Granted: 1963-02-26
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Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Donald E Weyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:54
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0066; C08J2383/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN EXPANDED FOAM HAVING A DENSITY OF LESS THAN 50 POUNDS PER CUBIC FOOT CONSISTING ESSENTIALLY OF FROM 15 TO 75 PARTS BY WEIGHT OF POWDERED ALUMINUM PER 100 PARTS BY WEIGHT OF AN ALKYLPHENYLPOLYSILOXANE RESIN HAVING AN AVERAGE OF FROM 1 TO 1.6 INCLUSIVE TOTAL ALKYL RADICALS OF LESS THAN 3 CARBON ATOMS AND PHENYL GROUPS PER SILICON ATOM.
Claim 2
Dependent Claim
60 words
AN EXPANDED FOAM HAVING A DENSITY OF LESS THAN 50 POUNDS PER CUBIC FOOT CONSISTING ESSENTIALLY OF FROM 15 TO 75 PARTS BY WEIGHT OF POWDERED ALUMINUM PER 100 PARTS BY WEIGHT OF AN ALKYLPHENYLPOLYSILOXANE RESIN HAVING AN AVERAGE OF FROM 1 TO 1.6 INCLUSIVE TOTAL ALKYL RADICALS OF LESS THAN 3 CARBON ATOMS AND PHENYL GROUPS PER SILICON ATOM.
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |