US2743431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition indicators for lighting systems of trucks and trailers
Assignee: Individual
•
Filing: 1951-02-14
•
Granted: 1956-04-24
•
Expires: 1971-02-14
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:11
CPC Classifications
B; B60; B60Q; B60Q11/00; B60Q11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1138988A
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US1229939A
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US1788597A
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US2171152A
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US2270587A
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US2360288A
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US2450450A
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US2409018A
Cited
US2414932A
Cited
US2511631A
Cited
US2486599A
Cited
US2646556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |