US2473526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip ring
Assignee: Individual
•
Filing: 1945-11-19
•
Granted: 1949-06-21
•
Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 Hood Arthur
- 👤 Sobel Morris
- 👤 Edgar A Terhune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:58
CPC Classifications
H; H01; H01R; H01R39/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1255248A
Cited
US1366552A
Cited
US1393564A
Cited
US1480656A
Cited
US1407776A
Cited
US1566220A
Cited
US2291070A
Cited
US2348919A
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 |