Patent US2815918A successfully refreshed from Google Patents.
US2815918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture mounting
Assignee: Individual
•
Filing: 1951-11-27
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Granted: 1957-12-10
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Wolar Isidore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:14
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US572911A
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US1306057A
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US632584A
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US986451A
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US1212797A
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US1483252A
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US1702888A
Cited
DE527025C
Cited
US2322081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |