US2744187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency electric lantern
Assignee: HERBERT L GLIDDEN
•
Filing: 1954-04-07
•
Granted: 1956-05-01
•
Expires: 1974-04-07
Abstract
No abstract record available.
Inventors
- 👤 Chester J Moak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:01
CPC Classifications
F; F21; F21V; F21V9/00; F21V9/08; F21L; F21L14/00; F21L14/02; F21V17/00; F21V17/10; F21V17/105; F21V23/00; F21V23/04; F21V23/0407; F21W; F21W2111/00
Claims Analysis
Total Claims: 0
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |