US2942123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time delay control device
Assignee: Westinghouse Electric Corp
•
Filing: 1956-01-31
•
Granted: 1960-06-21
•
Expires: 1976-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Niles F Schuh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:11
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H02; H02H; H02H3/00; H02H3/02; H02H3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2020727A
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US2427751A
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US2453978A
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US2609506A
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US2589085A
Cited
US2584990A
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US2824287A
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US2774888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |