Patent US2976399A successfully refreshed from Google Patents.
US2976399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent outdoor light
Assignee: Individual
•
Filing: 1959-04-29
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Granted: 1961-03-21
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Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 Howard L Christy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:20
CPC Classifications
F; F21; F21V; F21V23/00; F21V23/02; F21V23/026; F21S; F21S8/00; F21S8/08; F21S8/081; F21V29/00; F21V29/50; F21V29/70; F21V29/83; F21S8/085; F21S8/088; F21W; F21W2131/00; F21W2131/10; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |