Patent US2625460A successfully refreshed from Google Patents.
US2625460A
Expired / Lapsed
US
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Method of and means for recording phenomena by means of standing waves
Assignee: TECHNICON CARDIOGRAPH Corp
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Filing: 1947-04-26
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Granted: 1953-01-13
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Expires: 1967-04-26
Abstract
No abstract record available.
Inventors
- 👤 Jerry L Cloud
- 👤 Marchand Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:42
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/02; G01R27/04; G01R27/06; G01R13/00; G01R13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713479A
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US1820088A
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US2106713A
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GB472158A
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US2248604A
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US2308204A
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US2453645A
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US2449451A
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US2537193A
Cited
US2560903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |