Patent US5743912A successfully refreshed from Google Patents.
US2745199A
Expired / Lapsed
US
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Vehicle destination sign mechanisms
Assignee: ELECTRIC SERVICE Manufacturing CO
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Filing: 1952-05-21
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Granted: 1956-05-15
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Expires: 1972-05-21
Abstract
No abstract record available.
Inventors
- 👤 Kreinberg Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:23
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/24; G09F11/29; G09F2011/0009; G09F2011/0081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US830135A
Cited
US1595115A
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US1614714A
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US2115049A
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US2306634A
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US2337567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |