US2496060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine signaling device covered with waterproof vibration damping shield
Assignee: RCA Corp
•
Filing: 1944-08-29
•
Granted: 1950-01-31
•
Expires: 1964-08-29
Abstract
No abstract record available.
Inventors
- 👤 Clifford W Mell
- 👤 Edwin C Ballentine
- 👤 James V O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:12
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/02; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S181/402
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US322936A
Cited
US772676A
Cited
US1345717A
Cited
US1624412A
Cited
US1632331A
Cited
US1873578A
Cited
US2242037A
Cited
US1950894A
Cited
US2061934A
Cited
FR844452A
Cited
US2257932A
Cited
US2310629A
Cited
US2389210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |