Patent US2486599A successfully refreshed from Google Patents.
US2486599A
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Lighting circuit condition indicator
Assignee: Individual
•
Filing: 1947-08-05
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Granted: 1949-11-01
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Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Jesse R Hollins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:56
CPC Classifications
B; B60; B60Q; B60Q11/00; B60Q11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1535263A
Cited
US1747252A
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US1909712A
Cited
US2215229A
Cited
US2258747A
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US2402312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |