US2643361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switch contact arrangement
Assignee: RCA Corp
•
Filing: 1949-06-29
•
Granted: 1953-06-23
•
Expires: 1969-06-29
Abstract
No abstract record available.
Inventors
- 👤 Mackey Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2067395A
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US2188829A
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US2409617A
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US2417967A
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US2413148A
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US2506727A
Cited
US2545681A
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US2501456A
Cited
US2496183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |