US2415407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine signaling apparatus
Assignee: Submarine Signal Co
•
Filing: 1943-11-26
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Granted: 1947-02-11
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Expires: 1963-11-26
Abstract
No abstract record available.
Inventors
- 👤 Benioff Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:04
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US942897A
Cited
GB394994A
Cited
US2063944A
Cited
US1966446A
Cited
US2153571A
Cited
US2170206A
Cited
FR832891A
Cited
US2269760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |