Patent US3453228A successfully refreshed from Google Patents.
US3453228A
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US
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Heat-curable,heat stable organosilicon elastomeric compositions of high strength and low elongation
Assignee: Dow Silicones Corp
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Filing: 1964-03-16
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Granted: 1969-07-01
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Virgil L Metevia
- 👤 Keith E Polmanteer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:15
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/02; C08G77/04; C08G77/12; C08G77/14; C08G77/16; C08G77/20; C08G77/22; C08G77/24; C08G77/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3179619A
Cited
US2610167A
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US2658881A
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US2913419A
Cited
US2885366A
Cited
US2999077A
Cited
US3243404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |