US2736973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle destination sign mechanism
Assignee: ELECTRIC SERVICE Manufacturing CO
•
Filing: 1952-02-26
•
Granted: 1956-03-06
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Mageoch Harry Yale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:00
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/24; G09F11/29; G09F2011/0009; G09F2011/0072; G09F2011/0081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255957A
Cited
US1552697A
Cited
USRE16565E
Cited
FR706287A
Cited
US2024947A
Cited
US2177715A
Cited
US2368547A
Cited
US2533848A
Cited
US2621541A
Cited
US2577181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |