US3040112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron-beam furnace with beam emission suppressors
Assignee: Stauffer Chemical Co
•
Filing: 1960-06-03
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Granted: 1962-06-19
•
Expires: 1980-06-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:16
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/30; H01J37/305; Y; Y10; Y10S; Y10S164/00; Y10S164/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423729A
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US2321886A
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US2801361A
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US2888605A
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US2817033A
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US2921214A
Cited
US2934666A
Cited
US2880483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |