Patent US2833880A successfully refreshed from Google Patents.
US2833880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stop light control arrangement
Assignee: Individual
•
Filing: 1955-07-18
•
Granted: 1958-05-06
•
Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 George W Repkow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:25
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38; B60Q1/387; B60Q1/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1118188A
Cited
US1859598A
Cited
US1925762A
Cited
US2250133A
Cited
US2296667A
Cited
US2602143A
Cited
US2685650A
Cited
US2702840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |