Patent US3394737A successfully refreshed from Google Patents.
US3200465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solids press molding apparatus
Assignee: Benjamin Lassman and Son Inc
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Filing: 1963-01-28
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Granted: 1965-08-17
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Expires: 1983-01-28
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)
US2209404A
Cited
US2348197A
Cited
US2449257A
Cited
US2562876A
Cited
US2598016A
Cited
US2724145A
Cited
US2858565A
Cited
US3081498A
Cited
US3041701A
Cited
US3084397A
Cited
US3061877A
Cited
US3067465A
Cited
US3132379A
Cited
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 |