US3014209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flashing barricade light
Assignee: NORTHERN SIGNAL Co Inc
•
Filing: 1958-02-11
•
Granted: 1961-12-19
•
Expires: 1978-02-11
Abstract
No abstract record available.
Inventors
- 👤 Ewing D Nunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:35
CPC Classifications
H; H05; H05B; H05B39/00; H05B39/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2129882A
Cited
US2365587A
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US2292775A
Cited
US2520565A
Cited
US2810841A
Cited
US2838693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |