US2567046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-color wand light attachment for flashlights
Assignee: STEWART R BROWN Manufacturing Co Inc
•
Filing: 1950-06-09
•
Granted: 1951-09-04
•
Expires: 1970-06-09
Abstract
No abstract record available.
Inventors
- 👤 Gordon S Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:47
CPC Classifications
F; F21; F21V; F21V9/00; F21L; F21L2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2070472A
Cited
US2179777A
Cited
US2340530A
Cited
US2362131A
Cited
US2420307A
Cited
US2434741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |