US2628339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable flashlight with storage battery and rectifier
Assignee: Individual
•
Filing: 1948-11-01
•
Granted: 1953-02-10
•
Expires: 1968-11-01
Abstract
No abstract record available.
Inventors
- 👤 Werner Walter Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:55
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/08; F21L4/085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1333077A
Cited
GB191200819A
Cited
US1506303A
Cited
US1506302A
Cited
US1469783A
Cited
US2293284A
Cited
US2236338A
Cited
US2218356A
Cited
US2416755A
Cited
US2416651A
Cited
US2410527A
Cited
US2534582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |