US2431348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifier assembly and mounting
Assignee: STC PLC
•
Filing: 1945-04-16
•
Granted: 1947-11-25
•
Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 Murray F Skinker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:44
CPC Classifications
H; H10; H10W; H10W90/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US258965A
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US623730A
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US662466A
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US934973A
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US1043565A
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US946251A
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US1751360A
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US1908800A
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US2049552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |