US2830204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear mechanical oscillator circuit element transducer
Assignee: Harris Transducer Corp
•
Filing: 1955-07-01
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Granted: 1958-04-08
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Expires: 1975-07-01
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:33
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1693806A
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US1866267A
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US2207691A
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US2271200A
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US2293485A
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US2439499A
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US2497966A
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US2480535A
Cited
US2540187A
Cited
US2640165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |