US2978591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for a street lighting system
Assignee: American Electric Manufacturing Corp
•
Filing: 1958-05-05
•
Granted: 1961-04-04
•
Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter A Ringger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:31
CPC Classifications
H; H05; H05B; H05B47/00; H05B47/10; H05B47/105; H05B47/11; Y; Y02; Y02B; Y02B20/00; Y02B20/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USRE19199E
Cited
US1935698A
Cited
US2182987A
Cited
US2243600A
Cited
US2545331A
Cited
US2755392A
Cited
US2774015A
Cited
US2776357A
Cited
US2913637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |