Patent US3400963A successfully refreshed from Google Patents.
US3400963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety latch for luminaires
Assignee: Cooper Industries LLC
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Filing: 1967-02-13
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Granted: 1968-09-10
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 Edward R Jablonski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:13
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21V; F21V17/00; F21V17/10; F21V17/20; Y; Y10; Y10S; Y10S292/00; Y10S292/49; Y10S292/65; Y10T; Y10T292/00; Y10T292/08; Y10T292/087; Y10T292/0871; Y10T292/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |