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US3200465A Expired / Lapsed US ⏱️ 0.0 years remaining

Solids press molding apparatus

Assignee: Benjamin Lassman and Son Inc
•
Filing: 1963-01-28
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Granted: 1965-08-17
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Expires: 1983-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Lassman Benjamin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:40
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/02; B28B7/00; B28B7/16; B28B7/18

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 162 words
A PRESS FOR MOLDING SOLIDS, COMPRISING, IN COMBINATION, A VERTICALLY MOVABLE MOLD BOX HAVING A PERIPHERAL CLOSED SLIGHLY FLARED VERTICAL WALL, A MOVABLE BOTTOM FOR SAID MOLD BOX, MEANS HOLDING SAID BOTTOM IN FIXED SPATIAL POSITION DURING MOLDING OPERATION IRRESPECTIVE OF ANY MOVEMENT OF SAID WALL, A PRESSING HEAD HAVING A PRESSING SURFACE IN OPPOSITION TO SAID BOTTOM ADAPTED TO COMPACT SOLIDS IN A MOLD SPACE EXTENDING GENERALLY UPWARDLY FROM THE TOP OF SAID BOTTOM, SAID HEAD BEING MOVABLE SLIGHTLY INTO THE SPACE DEFINED WITHIN SAID WALL, MEANS FOR MOVING SAID HEAD, SAID MOLD BOX BEING DEPRESSIBLE BY THE ACTION OF SAID HEAD ON THE CONTENTS OF THE BOX IN THE FIRST COURSE OF A MOLDING OPERATION, AND MEANS ACTING ON SAID MOLD BOX DIRECTLY TO DEPRESS SAID BOX A SLIGHT ADDITIONAL AMOUNT WHILE SAID HEAD MOVING MEANS ACTS SIMULTANEOUSLY TO DEPRESS SAID HEAD TO CAUSE SAID HEAD TO FURTHER PRESS SAID SOLIDS FOR UNIFORM DENSIFICATION THEREOF INTO A FINAL MOLDED SHAPE.

References Cited (Backward Citations)

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US2348197A Cited
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US2562876A 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) 1968-08-16 1969-02-15 1969-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-16 1973-02-15 1973-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-16 1977-02-15 1977-08-17 $7700.00 Window Closed / Lapsed

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