Patent US2532060A successfully refreshed from Google Patents.
US2532060A
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US
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Electrostatic vibration detector
Assignee: Individual
•
Filing: 1946-05-27
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Granted: 1950-11-28
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Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:53
CPC Classifications
H; H04; H04R; H04R19/00; H04R19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1666738A
Cited
US1755739A
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US1732393A
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US1990216A
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US1764008A
Cited
US2067021A
Cited
US2092762A
Cited
US2386049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |