US2622409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultraviolet light source and circuit for refrigerator cabinets
Assignee: INST DIVI THOMAE FOUNDATION
•
Filing: 1946-07-26
•
Granted: 1952-12-23
•
Expires: 1966-07-26
Abstract
No abstract record available.
Inventors
- 👤 Stirnkorb John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:53
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2016437A
Cited
US2162546A
Cited
US2153009A
Cited
US2215123A
Cited
US2181305A
Cited
US2322421A
Cited
US2245837A
Cited
US2331881A
Cited
US2339051A
Cited
US2341990A
Cited
US2339085A
Cited
US2448937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |