US2615969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical power line warning device for vehicles with extended booms
Assignee: Individual
•
Filing: 1949-04-15
•
Granted: 1952-10-28
•
Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
- 👤 Esther V Albrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:37
CPC Classifications
B; B66; B66C; B66C15/00; B66C15/06; B66C15/065
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1696230A
Cited
US1857172A
Cited
US2142304A
Cited
US2131291A
Cited
US2343987A
Cited
CH243628A
Cited
US2428360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |