Patent US2613313A successfully refreshed from Google Patents.
US2613313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultraviolet flashlight and energizing unit therefor
Assignee: MENLO RES LAB
•
Filing: 1950-12-09
•
Granted: 1952-10-07
•
Expires: 1970-12-09
Abstract
No abstract record available.
Inventors
- 👤 Weeks Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:41
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; F; F21; F21L; F21L2/00; F21L4/00; F21V; F21V23/00; G; G06; G06K; G06K7/00; G06K7/10; G06K7/14; H05B41/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |