US2908901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined night stick, flashlight, and audible alarm
Assignee: Individual
•
Filing: 1957-07-26
•
Granted: 1959-10-13
•
Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Lewis Rubin Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:52
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0064; F21V33/0076; F21L; F21L4/00; F21L4/005; F21V15/00; F21V15/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US786040A
Cited
US1205271A
Cited
AT96712B
Cited
AT149736B
Cited
US2260639A
Cited
US2257227A
Cited
US2671209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |