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US2871455A
Expired / Lapsed
US
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Electrical fixture
Assignee: Individual
•
Filing: 1954-11-18
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Granted: 1959-01-27
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Expires: 1974-11-18
Abstract
No abstract record available.
Inventors
- 👤 Norman H Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:21
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US957891A
Cited
US1231379A
Cited
US1552121A
Cited
US1631575A
Cited
US1661495A
Cited
US2452422A
Cited
US2486167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |