Patent US3040171A successfully refreshed from Google Patents.
US3040171A
Expired / Lapsed
US
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Fabricated fluorescent light fixture
Assignee: Sunbeam Lighting Co
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Filing: 1959-04-20
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Granted: 1962-06-19
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Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Bobrick Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:53
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/02; F21V21/04; E; E04; E04B; E04B9/00; E04B9/006; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23485E
Cited
US2474308A
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US2617919A
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US2694139A
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US2559641A
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US2932728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |