US3023289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protectors for electric circuits
Assignee: McGraw Edison Co
•
Filing: 1958-04-25
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Granted: 1962-02-27
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Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 Craig L Mcalister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:46
CPC Classifications
H; H01; H01H; H01H69/00; H01H69/02; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/0411; H01H85/0415; H01H85/0417; H01H85/0013; H01H85/0021; H01H85/003; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49107; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49876
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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |