US2990470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflecting fluorescent light fixture
Assignee: Sunbeam Lighting Co
•
Filing: 1958-03-10
•
Granted: 1961-06-27
•
Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Bodian Marcus
- 👤 William B Rosenfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:14
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21V; F21V11/00; F21V11/08; F21V11/12; F21V17/00; F21V17/10; F21V17/16; F21V23/00; F21V23/001; F21V23/02; F21V3/00; F21V3/04; F21V3/06; F21V3/062; F21V7/00; F21V7/0008; F21V7/0016; F21V21/00; F21V21/005; 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) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |