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US2686109A Expired / Lapsed US ⏱️ 0.0 years remaining

Gelatin melter

Assignee: Saint Gobain Abrasives Inc
•
Filing: 1950-01-06
•
Granted: 1954-08-10
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Expires: 1970-01-06
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Abstract

No abstract record available.

Inventors

  • 👤 Rex E Moule

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:08
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/07

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 205 words
A GELATIN MELTER COMPRISING THREE CYLINDRICAL COAXIAL WALLS HAVING TWO SEALED SPACES THEREBETWEEN AND THE INSIDE WALL FORMING A CONTAINER, TWO SPHERICAL POLAR ZONE SHEET MEMBERS INSIDE THE CONTAINER AT THE BOTTOM THEREOF AND BEING AFFIXED ALONG THEIR PERIPHERIES TO SAID INSIDE WALL SO AS TO PROVIDE A BOTTOM AND A SECONDARY BOTTOM TO THE CONTAINER, THE LOWER OF SAID SPHERICAL POLAR ZONE SHEET MEMBERS WHICH FORMS THE CONTAINER BOTTOM BEING LOCATED CONCAVE SIDE DOWN AND THE UPPER THEREOF WHICH FORMS THE SECONDARY BOTTOM BEING LOCATED CONCAVE SIDE UP AND THERE BEING A SPACE SEALED BETWEEN THEM IN COMMUNICATION WITH THE SEALED SPACE BETWEEN THE INTERMEDIATE AND THE INNER COAXIAL WALLS, A DISCHARGE ORIFICE THROUGH SAID SPHERICAL POLAR ZONE SHEET MEMBERS AT THE POLES THEREOF AND AN UPRIGHT CONICAL BAFFLE MEMBER IN SAID CONTAINER DISPOSED IMMEDIATELY ABOVE SAID SECONDARY BOTTOM AND EXTENDING SUBSTANTIALLY TO THE INSIDE WALL OF THE CONTAINER, SAID BAFFLE MEMBER BEING PROVIDED ALONG ITS PERIPHERY WITH A PLURALITY OF SHALLOW CUT-OUTS, SAID BAFFLE MEMBER AND ITS PERIPHERALEDGE CUT-OUTS CAUSING THE MELTED GELATIN TO FLOW OUTWARDLY ON TO THE PERIPHERAL PORTION OF SAID SECONDARY BOTTOM AND THE UPWARD CONCAVITY OF THE LATTER CAUSING THE MELTED GELATIN TO FLOW INWARDLY TO SAID DISCHARGE ORIFICE.
Claim 2
Dependent Claim 205 words
A GELATIN MELTER COMPRISING THREE CYLINDRICAL COAXIAL WALLS HAVING TWO SEALED SPACES THEREBETWEEN AND THE INSIDE WALL FORMING A CONTAINER, TWO SPHERICAL POLAR ZONE SHEET MEMBERS INSIDE THE CONTAINER AT THE BOTTOM THEREOF AND BEING AFFIXED ALONG THEIR PERIPHERIES TO SAID INSIDE WALL SO AS TO PROVIDE A BOTTOM AND A SECONDARY BOTTOM TO THE CONTAINER, THE LOWER OF SAID SPHERICAL POLAR ZONE SHEET MEMBERS WHICH FORMS THE CONTAINER BOTTOM BEING LOCATED CONCAVE SIDE DOWN AND THE UPPER THEREOF WHICH FORMS THE SECONDARY BOTTOM BEING LOCATED CONCAVE SIDE UP AND THERE BEING A SPACE SEALED BETWEEN THEM IN COMMUNICATION WITH THE SEALED SPACE BETWEEN THE INTERMEDIATE AND THE INNER COAXIAL WALLS, A DISCHARGE ORIFICE THROUGH SAID SPHERICAL POLAR ZONE SHEET MEMBERS AT THE POLES THEREOF AND AN UPRIGHT CONICAL BAFFLE MEMBER IN SAID CONTAINER DISPOSED IMMEDIATELY ABOVE SAID SECONDARY BOTTOM AND EXTENDING SUBSTANTIALLY TO THE INSIDE WALL OF THE CONTAINER, SAID BAFFLE MEMBER BEING PROVIDED ALONG ITS PERIPHERY WITH A PLURALITY OF SHALLOW CUT-OUTS, SAID BAFFLE MEMBER AND ITS PERIPHERALEDGE CUT-OUTS CAUSING THE MELTED GELATIN TO FLOW OUTWARDLY ON TO THE PERIPHERAL PORTION OF SAID SECONDARY BOTTOM AND THE UPWARD CONCAVITY OF THE LATTER CAUSING THE MELTED GELATIN TO FLOW INWARDLY TO SAID DISCHARGE ORIFICE.

References Cited (Backward Citations)

US1009616A Cited
US1691903A Cited
US1738908A Cited
US1892599A Cited
US1980696A Cited
US2292022A Cited
US2231506A Cited
US2275654A Cited
US2533964A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-08-09 1958-02-08 1958-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-08-09 1962-02-08 1962-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-08-09 1966-02-08 1966-08-10 $7700.00 Window Closed / Lapsed

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