US2800576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street lighting fixture
Assignee: Individual
•
Filing: 1955-06-09
•
Granted: 1957-07-23
•
Expires: 1975-06-09
Abstract
No abstract record available.
Inventors
- 👤 John C Epperson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR581451A
Cited
US1972928A
Cited
US2032622A
Cited
FR832638A
Cited
US2291494A
Cited
FR949464A
Cited
GB653486A
Cited
GB669180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |