US2895113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magneto-strictive resonators
Assignee: Marconis Wireless Telegraph Co Ltd
•
Filing: 1955-06-21
•
Granted: 1959-07-14
•
Expires: 1975-06-21
Abstract
No abstract record available.
Inventors
- 👤 Agar William Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:22
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997599A
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US1966446A
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US2435487A
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US2472388A
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US2736824A
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US2692344A
Cited
US2709243A
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US2770782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |