Patent US2978575A successfully refreshed from Google Patents.
US2978575A
Expired / Lapsed
US
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Light fixture
Assignee: GLOBE LIGHTING PRODUCTS Inc
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Filing: 1958-04-09
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Granted: 1961-04-04
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Expires: 1978-04-09
Abstract
No abstract record available.
Inventors
- 👤 Leon B Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:34
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/102; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2136912A
Cited
US2427084A
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US2440603A
Cited
US2717307A
Cited
US2630522A
Cited
US2701840A
Cited
US2825798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |