Patent US2686090A successfully refreshed from Google Patents.
Patent US3268359A successfully refreshed from Google Patents.
US3268359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ablative coatings
Assignee: —
•
Filing: —
•
Granted: 1966-08-23
•
Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:40
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/20; C08L; C08L83/00; C08L83/04; C09; C09D; C09D183/00; C09D183/04; C09D5/00; C09D5/16; C09D5/1656; C09D5/1662; C09D5/1675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AMETHOD OF PROTECTING THE SURFACES OF AN AEROSPACE WHICH FROM THE ERODING EFFECT OF GASES AT TEMPERATURES ABOUT 3,000*F. WHICH COMPRISES COATING SAID SURFACES WITH A COMPOSITION CONSISTING ESSENTIALLY OF A METHYLPHENYLPOLYSILOXANE ELASTOMER IN WHICH THE RATIO OF PHENYL RADICALS TO SILICON ATOMS RANGES FROM 25:1 TO 1.25:1 INCLUSIVE AND IN WHICH THE TOTAL NUMBER OF PHENYL AND METHYL RADICALS PER SILICON IS ABOUT 2 AND THEREAFTER CURING THE COMPOSITION.
Claim 2
Dependent Claim
70 words
AMETHOD OF PROTECTING THE SURFACES OF AN AEROSPACE WHICH FROM THE ERODING EFFECT OF GASES AT TEMPERATURES ABOUT 3,000*F. WHICH COMPRISES COATING SAID SURFACES WITH A COMPOSITION CONSISTING ESSENTIALLY OF A METHYLPHENYLPOLYSILOXANE ELASTOMER IN WHICH THE RATIO OF PHENYL RADICALS TO SILICON ATOMS RANGES FROM 25:1 TO 1.25:1 INCLUSIVE AND IN WHICH THE TOTAL NUMBER OF PHENYL AND METHYL RADICALS PER SILICON IS ABOUT 2 AND THEREAFTER CURING THE COMPOSITION.
References Cited (Backward Citations)
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Cited
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |