US2647166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching mechanism
Assignee: International Standard Electric Corp
•
Filing: 1949-12-31
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Granted: 1953-07-28
•
Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 Lens Georges Xavier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:43
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/22; H01H67/26; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2127322A
Cited
US2349279A
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US2438042A
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US2499553A
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US2541345A
Cited
US2516772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |