US2958808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical arc suppressor
Assignee: AMF Inc
•
Filing: 1957-04-12
•
Granted: 1960-11-01
•
Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Miller William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:25
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/54; H01H9/541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE611317C
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DE613832C
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FR874152A
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DE517083C
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DE638981C
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US2011395A
Cited
US2782345A
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US2859400A
Cited
US2791739A
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US2873419A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |