US2405554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting stack
Assignee: Submarine Signal Co
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Filing: 1944-07-20
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Granted: 1946-08-13
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Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Barbour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/228; H01C; H01C1/00; H01C1/14; H01R; H01R2107/00; H01R24/00; H01R24/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-08-12 | 1950-02-11 | 1950-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-12 | 1954-02-11 | 1954-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-12 | 1958-02-11 | 1958-08-13 | $7700.00 | Window Closed / Lapsed |