US3044028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic circuit element transducer
Assignee: Harris Transducer Corp
•
Filing: 1958-04-23
•
Granted: 1962-07-10
•
Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:38
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/22; H03H9/46; H03H9/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2648060A
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US2571019A
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US2652542A
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US2607814A
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US2806328A
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US2717981A
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US2776417A
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US2776416A
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US2895113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |