Patent US970351A successfully refreshed from Google Patents.
US972007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic danger-signal and intermittently-illuminating advertiser for electric cars.
Assignee: Individual
•
Filing: 1909-06-16
•
Granted: 1910-10-04
•
Expires: 1929-06-16
Abstract
No abstract record available.
Inventors
- 👤 Augustus May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:44
CPC Classifications
B; B61; B61L; B61L23/00; B61L23/002; B61L23/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-10-03 | 1914-04-04 | 1914-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-03 | 1918-04-04 | 1918-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-03 | 1922-04-04 | 1922-10-04 | $7700.00 | Window Closed / Lapsed |