US3464038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter
Assignee: Terasaki Electric Co Ltd
•
Filing: 1968-02-12
•
Granted: 1969-08-26
•
Expires: 1988-02-12
Abstract
No abstract record available.
Inventors
- 👤 Wasaburo Murai
- 👤 Yoshio Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:03
CPC Classifications
H; H01; H01H; H01H77/00; H01H77/02; H01H77/10; H01H77/102; H01H77/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127488A
Cited
DE1238994B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |