US2846570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable support for a fluorescent street light
Assignee: McGraw Edison Co
•
Filing: 1955-01-28
•
Granted: 1958-08-05
•
Expires: 1975-01-28
Abstract
No abstract record available.
Inventors
- 👤 Donald W Harling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:47
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30; F21V21/10; F21V21/116; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB279992A
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US2040821A
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US2540784A
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US2574038A
Cited
US2696357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |