US3394462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for drying wood materials by contact with a desiccant
Assignee: Mobil Oil AS
•
Filing: 1963-08-27
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Granted: 1968-07-30
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Bondurant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/16; F26B3/00; F26B3/18; F26B3/20; F26B3/205; F26B2210/00; F26B2210/14; F26B2210/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR REMOVING MOISTURE FROM WOOD WITHOUT CAUSING THE CRACKING OR WARPING THEREOF WHICH COMPRISES CONTACTING AT LEAST ONE SURFACE OF THE WOOD WITH A DESICCANT CONSISTING OF SILICA-ALUMINA BEADS OF 4 TO 8 MESH IN SIZE CONTAINING A PREDOMINANT PROPORTION OF SILICA, AT A TEMPERATURE RANGING FROM ROOM TEMPERATURE TO ABOUT 150*F., FOR A PERIOD OF FROM ABOUT 5 MINUTES TO ABOUT 120 MINUTES.
Claim 2
Dependent Claim
66 words
A PROCESS FOR REMOVING MOISTURE FROM WOOD WITHOUT CAUSING THE CRACKING OR WARPING THEREOF WHICH COMPRISES CONTACTING AT LEAST ONE SURFACE OF THE WOOD WITH A DESICCANT CONSISTING OF SILICA-ALUMINA BEADS OF 4 TO 8 MESH IN SIZE CONTAINING A PREDOMINANT PROPORTION OF SILICA, AT A TEMPERATURE RANGING FROM ROOM TEMPERATURE TO ABOUT 150*F., FOR A PERIOD OF FROM ABOUT 5 MINUTES TO ABOUT 120 MINUTES.
References Cited (Backward Citations)
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Cited
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US2384946A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |