US2942830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp attachment for a ladder
Assignee: Individual
•
Filing: 1957-02-19
•
Granted: 1960-06-28
•
Expires: 1977-02-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Senay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:51
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US367179A
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US1006361A
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US1547014A
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US1584101A
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US1903127A
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US2054551A
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US2187974A
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US2613051A
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US2598492A
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US2807431A
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US2783367A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |