Patent US2416633A successfully refreshed from Google Patents.
US2416633A
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US
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Light fixture
Assignee: JOHN C VIRDEN CO
•
Filing: 1945-07-03
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Granted: 1947-02-25
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Expires: 1965-07-03
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Macfadden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:00
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/16; F21V17/168; F21V15/00; F21V15/02; F21V21/00; F21V21/02; F21W; F21W2121/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1044566A
Cited
US1696244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |