Patent US2686109A successfully refreshed from Google Patents.
US2686109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelatin melter
Assignee: Saint Gobain Abrasives Inc
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Filing: 1950-01-06
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Granted: 1954-08-10
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Expires: 1970-01-06
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.
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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) | 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 |