US2270474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highway lighting system
Assignee: Individual
•
Filing: 1939-09-05
•
Granted: 1942-01-20
•
Expires: 1959-09-05
Abstract
No abstract record available.
Inventors
- 👤 George D Recher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:30
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/081; E; E01; E01F; E01F9/00; E01F9/60; E01F9/658; E01F9/669; F21W; F21W2111/00; F21W2131/00; F21W2131/10; F21W2131/103; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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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) | 1945-01-19 | 1945-07-21 | 1946-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-19 | 1949-07-21 | 1950-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-19 | 1953-07-21 | 1954-01-20 | $7700.00 | Window Closed / Lapsed |