US3376400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle locking attachment for electrical control devices
Assignee: Schneider Electric USA Inc
•
Filing: 1965-03-10
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Granted: 1968-04-02
•
Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas N Batt
- 👤 Harold A Duvall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:32
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/28; H01H9/281; H01H9/282; H01H9/283; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5774; Y10T70/5779
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2169860A
Cited
US2484424A
Cited
US2832857A
Cited
US3076878A
Cited
US3055995A
Cited
US3291924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |