US2473705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contactor for movable shafts
Assignee: RCA Corp
•
Filing: 1945-04-24
•
Granted: 1949-06-21
•
Expires: 1965-04-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph W George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:46
CPC Classifications
H; H01; H01G; H01G5/00; H01G5/38; H01R; H01R35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE552995C
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GB129934A
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US1818380A
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US1890348A
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GB403947A
Cited
US2297207A
Cited
US2266532A
Cited
US2328212A
Cited
US2414143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |