US3419726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outdoor lighting photocontrol having adjustable shade
Assignee: Cooper Industries LLC
•
Filing: 1965-08-10
•
Granted: 1968-12-31
•
Expires: 1985-08-10
Abstract
No abstract record available.
Inventors
- 👤 John C Olsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:58
CPC Classifications
F; F21; F21V; F21V23/00; F21V23/04; F21V23/0442; F21V23/0464; F21W; F21W2131/00; F21W2131/10; F21W2131/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1985044A
Cited
US2244507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |