US3400366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic period control sign having movable shutters
Assignee: Individual
•
Filing: 1965-06-21
•
Granted: 1968-09-03
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Donald M Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:32
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/02; G09F11/025; G08; G08G; G08G1/00; G08G1/09; G08G1/0962; G08G1/0967; G08G1/096708; G08G1/096716; G08G1/096733; G08G1/096758; G08G1/096766; G08G1/096783
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US724100A
Cited
US1161853A
Cited
US2677205A
Cited
US2850717A
Cited
US3003268A
Cited
US3200218A
Cited
FR1334136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |