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US3019364A
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US
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Photoelectric device for ultra-violet radiation
Assignee: Jenoptik AG
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Filing: 1956-11-27
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Granted: 1962-01-30
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Expires: 1976-11-27
Abstract
No abstract record available.
Inventors
- 👤 Krohs Alfred
- 👤 Schlohlein Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:37
CPC Classifications
H; H01; H01J; H01J40/00; H01J40/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1537921A
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US2075447A
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US2100187A
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US2144519A
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US2237065A
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US2232322A
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US2549504A
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US2534392A
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US2499854A
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US2517019A
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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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |