US3128172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-spherical cupreous powder
Assignee: New Jersey Zinc Co
•
Filing: 1960-12-27
•
Granted: 1964-04-07
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Irwin D Wagner
- 👤 Luther D Fetterolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:18
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2460991A
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US2787534A
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US2861880A
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US2870485A
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US2934787A
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US2867528A
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US3041672A
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |