US2463333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: Schneider Electric USA Inc
•
Filing: 1943-04-17
•
Granted: 1949-03-01
•
Expires: 1963-04-17
Abstract
No abstract record available.
Inventors
- 👤 Hermon L Van Valkenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:55
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/641
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US819082A
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US972634A
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US984759A
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US1499370A
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US1481104A
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US1527434A
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US1517042A
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DE695018C
Cited
US2273545A
Cited
US2338365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |