Patent US2505778A successfully refreshed from Google Patents.
US2505778A
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US
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Device for determining moisture content, density, and direction of grain of wood, and other semiconducting material
Assignee: Individual
•
Filing: 1946-08-16
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Granted: 1950-05-02
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Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 John P Limbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:25
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/46; G01N27/00; G01N27/02; G01N27/04; G01N27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708074A
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US1943619A
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US1780952A
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US2023228A
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US2231035A
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USRE21711E
Cited
US2308566A
Cited
US2326344A
Cited
US2389190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |