US2625670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultraviolet lamp
Assignee: INST DIVI THOMAE FOUNDATION
•
Filing: 1948-10-01
•
Granted: 1953-01-13
•
Expires: 1968-10-01
Abstract
No abstract record available.
Inventors
- 👤 George F Embshoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/06; H; H01; H01J; H01J61/00; H01J61/02; H01J61/56; H05; H05B; H05B41/00; H05B41/02; H05B41/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2182732A
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US2301670A
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US2259915A
Cited
US2327346A
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US2291926A
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US2369987A
Cited
US2342570A
Cited
US2327755A
Cited
US2448937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |