US2850716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attention arresting signal light
Assignee: Individual
•
Filing: 1956-03-19
•
Granted: 1958-09-02
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 George W Smale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:22
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2611; E; E01; E01F; E01F9/00; E01F9/60; E01F9/604; E01F9/615; E01F9/617; F; F21; F21S; F21S43/00; F21S43/20; F21S43/26; F21S43/27; F21W; F21W2107/00; F21W2107/10; F21W2111/00; F21W2111/02; F21W2111/04
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |