Patent US3454422A successfully refreshed from Google Patents.
US3454422A
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US
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Organopolysiloxane coated filling materials and the production thereof
Assignee: EIDP Inc
•
Filing: 1964-03-13
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Granted: 1969-07-08
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Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 Edward Jairus Mead
- 👤 Vernal Hardy Scheuerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4326; D04H1/435; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268; Y10T428/29; Y10T428/2904; Y10T428/2907; Y10T428/2909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2588393A
Cited
US2588365A
Cited
GB880315A
Cited
US3189662A
Cited
US3146799A
Cited
US3271189A
Cited
US3251794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |