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US3303545A Expired / Lapsed US ⏱️ 0.0 years remaining

Molding machine with movable end means for closing mold and stripping article

Assignee: R AND H MOLDING Inc
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Filing: 1966-01-06
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Granted: 1967-02-14
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Expires: 1986-01-06
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Abstract

No abstract record available.

Inventors

  • 👤 Charles J Heitzman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 20:18
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/08; B28B13/00; B28B13/04; B28B13/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 169 words
A MACHINE FOR MOLDING ARTICLES OF SELF-HARDENING MATERIAL COMPRISING A MOLD BOX OPEN AT ONE END, A MOLD IN SAID BOX AND INCLUDING A LINER, MEANS FOR SWINGING SAID BOX ON A FIXED HORIZONTAL AXIS BETWEEN A VERTICAL POSITION FOR PRESENTING SAID MOLD FOR FILLING WITH SAID MATERIAL THROUGH SAID OPEN END AND A HORIZONTAL POSITION, MOVABLE MEANS IN SAID BOX FOR CLOSING A LOWER END OF SAID MOLD DURING FILLING THEREOF IN SAID VERTICAL POSITION, MEANS FOR CONSOLIDATING SAID MATERIAL IN SAID MOLD IN SAID VERTICAL POSITION, MEANS IN SAID BOX FOR LOCATING AND DURING FILLING BACKING SAID MOVABLE MEANS, AND HORIZONTALLY ACTING MEANS REMOVED FROM SAID BOX THROUGHOUT SAID SWINGING THEREOF AND PROJECTABLE THEREINTO IN SAID HORIZONTAL POSITION FOR MOVING SAID MOVABLE MEANS ALONG SAID BOX AND THEREBY STRIPPING THEREFROM THROUGH SAID OPEN END SAID LINER AND A MOLDED ARTICLE THEREON, SAID MOVABLE MEANS BEING RELEASABLY CONNECTABLE TO SAID HORIXONTALLY ACTING MEANS FOR RETURN THEREBY TO STARTING POSITION IN SAID BOX ON RETRACTION THEREOF AFTER SAID STRIPPING.
Claim 2
Dependent Claim 169 words
A MACHINE FOR MOLDING ARTICLES OF SELF-HARDENING MATERIAL COMPRISING A MOLD BOX OPEN AT ONE END, A MOLD IN SAID BOX AND INCLUDING A LINER, MEANS FOR SWINGING SAID BOX ON A FIXED HORIZONTAL AXIS BETWEEN A VERTICAL POSITION FOR PRESENTING SAID MOLD FOR FILLING WITH SAID MATERIAL THROUGH SAID OPEN END AND A HORIZONTAL POSITION, MOVABLE MEANS IN SAID BOX FOR CLOSING A LOWER END OF SAID MOLD DURING FILLING THEREOF IN SAID VERTICAL POSITION, MEANS FOR CONSOLIDATING SAID MATERIAL IN SAID MOLD IN SAID VERTICAL POSITION, MEANS IN SAID BOX FOR LOCATING AND DURING FILLING BACKING SAID MOVABLE MEANS, AND HORIZONTALLY ACTING MEANS REMOVED FROM SAID BOX THROUGHOUT SAID SWINGING THEREOF AND PROJECTABLE THEREINTO IN SAID HORIZONTAL POSITION FOR MOVING SAID MOVABLE MEANS ALONG SAID BOX AND THEREBY STRIPPING THEREFROM THROUGH SAID OPEN END SAID LINER AND A MOLDED ARTICLE THEREON, SAID MOVABLE MEANS BEING RELEASABLY CONNECTABLE TO SAID HORIXONTALLY ACTING MEANS FOR RETURN THEREBY TO STARTING POSITION IN SAID BOX ON RETRACTION THEREOF AFTER SAID STRIPPING.

References Cited (Backward Citations)

US1466509A Cited
US2313825A Cited
US2663063A Cited
US2534421A Cited
US2679272A Cited
US3147519A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-13 1970-08-15 1971-02-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-13 1974-08-15 1975-02-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-13 1978-08-15 1979-02-14 $7700.00 Window Closed / Lapsed

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