US3501333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum coating of particulate substrate materials
Assignee: Dow Chemical Co
•
Filing: 1967-09-14
•
Granted: 1970-03-17
•
Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Kenneth O Groves
- 👤 Reinhold Hellmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:51
CPC Classifications
B; B01; B01J; B01J37/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2599978A
Cited
US2804397A
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GB915385A
Cited
US3041197A
Cited
US3146060A
Cited
US3160550A
Cited
US3164448A
Cited
US3206326A
Cited
US3136798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |