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US3238281A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of molded wooden articles of any desired shape and three dimensions from the aggregated wood fibers

Assignee: Individual
•
Filing: 1963-03-11
•
Granted: 1966-03-01
•
Expires: 1983-03-11
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Abstract

No abstract record available.

Inventors

  • 👤 Kato Kiyosi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:38
CPC Classifications
B; B27; B27N; B27N5/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1049; Y10T428/00; Y10T428/25; Y10T428/253

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 221 words
A METHOD OF MAKING AN AXIALLY CURVED ELONGATED MOLDED WOODEN ARTICLE OF CURVED SURFACE CONSTRUCTION FROM AN AGGREGATE MASS OF WOODEN FIBERS WHICH COMPRISES THE STEPS OF PROVIDING FLEXIBLE WOODEN CHIPS DRIED TO A MOISTURE CONTENT OF FROM BETWEEN 3 AND 8%, THE LENGTH OF EACH OF SAID CHIPS BEING AT LEAST TN TIMES THE WIDTH THEREOF, APPLYING A COATING OF LIQUID BONDING COMPOSITION UNIFORMLY OVER THE SURFACES OF SAID CHIPS, PLACING A MASS OF SAID COATED CHIPS IN AN AXIALLY CURVED ELONGATED MEASURING MOLD HAVING A CURVED MOLDING SURFACE IN SUCH A MANNER THAT THE LONG DIMENSION OF SAID COATED CHIPS IS SUBSTANTIALLY PARALLEL TO THE CURVED MOLDING SURFACE OF SAID MOLD AND GENERALLY ALIGNED WITH THE AXIS THEREOF, SUBJECTING SAID MASS TO PRESSURE NORMAL TO THE LONG DIMENSION OF SAID CHIPS TO PRODUCE AN AXIALLY CURVED ELONGATED RAW MASS HAVING A CURVED MOLDED SURFACE, THE CROSSSECTIONAL AREA OF SAID RAW MASS BEING GREATER THAN THE ARTICLE TO BE MANUFACTURED, PLACING SAID RAW MASS IN AN AXIALLY CURVED METALLIC MOLD HAVING A CURVED MOLDING SURFACE, AND SUBJECTING SAID RAW MASS WITHIN SAID METALLIC MOLD TO HEAT AND TO PRESSURE NORMAL TO SAID CURVED MOLDED SURFACE OF SAID RAW MASS TO CURE SAID COMPOSITION AND TO REDUCE THE CROSS SECTIONAL AREA OF SAID RAW MASS TO PRODUCE SAID MOLDED WOODEN ARTICLE.
Claim 2
Independent Claim 221 words
A METHOD OF MAKING AN AXIALLY CURVED ELONGATED MOLDED WOODEN ARTICLE OF CURVED SURFACE CONSTRUCTION FROM AN AGGREGATE MASS OF WOODEN FIBERS WHICH COMPRISES THE STEPS OF PROVIDING FLEXIBLE WOODEN CHIPS DRIED TO A MOISTURE CONTENT OF FROM BETWEEN 3 AND 8%, THE LENGTH OF EACH OF SAID CHIPS BEING AT LEAST TN TIMES THE WIDTH THEREOF, APPLYING A COATING OF LIQUID BONDING COMPOSITION UNIFORMLY OVER THE SURFACES OF SAID CHIPS, PLACING A MASS OF SAID COATED CHIPS IN AN AXIALLY CURVED ELONGATED MEASURING MOLD HAVING A CURVED MOLDING SURFACE IN SUCH A MANNER THAT THE LONG DIMENSION OF SAID COATED CHIPS IS SUBSTANTIALLY PARALLEL TO THE CURVED MOLDING SURFACE OF SAID MOLD AND GENERALLY ALIGNED WITH THE AXIS THEREOF, SUBJECTING SAID MASS TO PRESSURE NORMAL TO THE LONG DIMENSION OF SAID CHIPS TO PRODUCE AN AXIALLY CURVED ELONGATED RAW MASS HAVING A CURVED MOLDED SURFACE, THE CROSSSECTIONAL AREA OF SAID RAW MASS BEING GREATER THAN THE ARTICLE TO BE MANUFACTURED, PLACING SAID RAW MASS IN AN AXIALLY CURVED METALLIC MOLD HAVING A CURVED MOLDING SURFACE, AND SUBJECTING SAID RAW MASS WITHIN SAID METALLIC MOLD TO HEAT AND TO PRESSURE NORMAL TO SAID CURVED MOLDED SURFACE OF SAID RAW MASS TO CURE SAID COMPOSITION AND TO REDUCE THE CROSS SECTIONAL AREA OF SAID RAW MASS TO PRODUCE SAID MOLDED WOODEN ARTICLE.

References Cited (Backward Citations)

US768304A Cited
US1625066A Cited
US1663506A Cited
US2079133A Cited
US1876221A Cited
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FR885767A 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) 1969-02-28 1969-08-30 1970-03-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-28 1973-08-30 1974-03-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-28 1977-08-30 1978-03-01 $7700.00 Window Closed / Lapsed

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