US3533824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum coated siliceous particles,methods and composites
Assignee: Alcoa Corp
•
Filing: 1967-04-05
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Granted: 1970-10-13
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Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 James R Terrill
- 👤 Stanley F Dzierski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:52
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/24; B; B22; B22F; B22F1/00; B22F1/18; B22F9/00; B22F9/02; B22F9/06; C; C03; C03C; C03C17/00; C03C17/06; C03C17/10; C23; C23C; C23C2/00; C23C2/04; C23C2/12; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12181; Y10T428/12493; Y10T428/1266; Y10T428/12736; Y10T428/12764; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2896278A
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US2990807A
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US3139553A
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US3222218A
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US3255036A
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US3202533A
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US3398012A
Cited
US3445260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |