US2774048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electric hand lamp having receptacles to receive attachment plugs
Assignee: ROYAL ELECTRIC Co Inc
•
Filing: 1954-08-06
•
Granted: 1956-12-11
•
Expires: 1974-08-06
Abstract
No abstract record available.
Inventors
- 👤 Leonard N Baenziger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:52
CPC Classifications
F; F21; F21V; F21V23/00; F21L; F21L14/00; F21L14/02; F21V15/00; F21V15/02; H; H02; H02G; H02G3/00; H02G3/02; H02G3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1882791A
Cited
US2213649A
Cited
US2284097A
Cited
US2534875A
Cited
US2617848A
Cited
US2671887A
Cited
US2677754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |