US3059913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling systems for devices used in metal refining processes
Assignee: Individual
•
Filing: 1958-09-29
•
Granted: 1962-10-23
•
Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Milo B Sands
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:32
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4606
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US996129A
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US1640629A
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US2061605A
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US2254917A
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US2829960A
Cited
US2819701A
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US2901176A
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US2967694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |