US3196491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tire retreading matrix
Assignee: Paul E Hawkinson Co
•
Filing: 1962-10-05
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Granted: 1965-07-27
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Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Francis W Gaasedelen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:28
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN ENDLESS RIGID TRANSVERSELY SYLINDRICAL MOLD BODY FORMED OF SHEET METAL AND HAVING ITS OPPOSITE SIDE EDGES TURNED RADIALLY OUTWARDLY TO PROVIDE THEREWITH ENDLESS PARALLEL CONTINUOUS RINGLIKE BODY SUSTAINING FLANGES, SAID MOLD BODY HAVING A TRULY CYLINDRICAL INNER SURFACE EXTENDING BETWEEN THE OUTER FACES OF SAID FLANGES AND UNIFORMLY SUSTAINED THEREBY, HEATING MEANS SECURED TO THE OUTER SURFACE OF SAID BODY INTERMEDIATE SAID FLANGES AND PROTECTED THEREBY, AND A MATRIX HAVING AN ARCUATE OUTER SURFACE CORRESPONDING IN CURVATURE WITH THE SUSTAINED INNER TRULY CYLINDRICAL SURFACE OF SAID MOLD BODY AXIALLY RECEIVED THEREWITHIN OVER SAID CORRESPONDING CYLINDRICAL SURFACE AND SECURED THERETO AND FLUSH WITH THE OUTER FACES OF SAID RING-LIKE FLANGES.
Claim 2
Dependent Claim
110 words
AN ENDLESS RIGID TRANSVERSELY SYLINDRICAL MOLD BODY FORMED OF SHEET METAL AND HAVING ITS OPPOSITE SIDE EDGES TURNED RADIALLY OUTWARDLY TO PROVIDE THEREWITH ENDLESS PARALLEL CONTINUOUS RINGLIKE BODY SUSTAINING FLANGES, SAID MOLD BODY HAVING A TRULY CYLINDRICAL INNER SURFACE EXTENDING BETWEEN THE OUTER FACES OF SAID FLANGES AND UNIFORMLY SUSTAINED THEREBY, HEATING MEANS SECURED TO THE OUTER SURFACE OF SAID BODY INTERMEDIATE SAID FLANGES AND PROTECTED THEREBY, AND A MATRIX HAVING AN ARCUATE OUTER SURFACE CORRESPONDING IN CURVATURE WITH THE SUSTAINED INNER TRULY CYLINDRICAL SURFACE OF SAID MOLD BODY AXIALLY RECEIVED THEREWITHIN OVER SAID CORRESPONDING CYLINDRICAL SURFACE AND SECURED THERETO AND FLUSH WITH THE OUTER FACES OF SAID RING-LIKE FLANGES.
References Cited (Backward Citations)
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GB420829A
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |