US2484036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetostriction hydrophone
Assignee: Individual
•
Filing: 1945-04-16
•
Granted: 1949-10-11
•
Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 John R Kauke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:55
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1985251A
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US2063950A
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US2063944A
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US1966446A
Cited
US2380931A
Cited
US2153571A
Cited
FR832891A
Cited
US2249835A
Cited
US2207064A
Cited
US2411911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |