US3430357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of drying wood and moisture indicator
Assignee: Weyerhaeuser Co
•
Filing: 1967-05-17
•
Granted: 1969-03-04
•
Expires: 1987-05-17
Abstract
No abstract record available.
Inventors
- 👤 William D Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:39
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/22; F26B2210/00; F26B2210/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1120625A
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US2296546A
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US2412782A
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US2684592A
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US2852739A
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US2802281A
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US3148955A
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US3196682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |