US3327355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-plate transfer mold
Assignee: Clevite Industries Inc
•
Filing: 1965-06-22
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Granted: 1967-06-27
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 John J Carlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:02
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/02; Y; Y10; Y10S; Y10S425/00; Y10S425/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A MULTI-PLATE MOLD FOR RUBBERLIKE MATERIAL COMPRISING, IN COMBINATION: A PLURALITY OF RIGID MOLD PLATES DISPOSED IN COOPERATING RELATIONSHIP, INCLUDING A FIRST PLATE, A SECOND PLATE HAVING A CAVITY FOR RECEIVING A RUBBERLIKE MATERIAL THEREIN, AND A THIRD PLATE HAVING A MOLD CAVITY PLACED IN MOLDING POSITION TO SAID SECOND PLATE, SAID SECOND PLATE FACING SAID FIRST PLATE AND BEING RIGIDLY SECURED TO SAID FIRST PLATE DURING THE MOLDING OPERATION, SAID FIRST PLATE HAVING A CONDUIT EXTENDING THERETHROUGH TO ESTABLISH FLUID COMMUNICATION BETWEEN THE SURFACE FACING SAID CAVITY AND AN EXTERNAL AREA;AN AIR INLET FITTING DISPOSED IN ONE END OF SAID CONDUIT PROXIMATE TO THE EXTERNAL AREA AND CONNECTED TO A SOURCE OF HIGH PRESSURE AIR DURING OPERATION OF THE MOLD DEVICE; AND CHECK VALVE MEANS DISPOSED IN THE PATH OF SAID CONDUIT PROXIMATE TO THE OUTLET THEREOF.
Claim 2
Dependent Claim
138 words
A MULTI-PLATE MOLD FOR RUBBERLIKE MATERIAL COMPRISING, IN COMBINATION: A PLURALITY OF RIGID MOLD PLATES DISPOSED IN COOPERATING RELATIONSHIP, INCLUDING A FIRST PLATE, A SECOND PLATE HAVING A CAVITY FOR RECEIVING A RUBBERLIKE MATERIAL THEREIN, AND A THIRD PLATE HAVING A MOLD CAVITY PLACED IN MOLDING POSITION TO SAID SECOND PLATE, SAID SECOND PLATE FACING SAID FIRST PLATE AND BEING RIGIDLY SECURED TO SAID FIRST PLATE DURING THE MOLDING OPERATION, SAID FIRST PLATE HAVING A CONDUIT EXTENDING THERETHROUGH TO ESTABLISH FLUID COMMUNICATION BETWEEN THE SURFACE FACING SAID CAVITY AND AN EXTERNAL AREA;AN AIR INLET FITTING DISPOSED IN ONE END OF SAID CONDUIT PROXIMATE TO THE EXTERNAL AREA AND CONNECTED TO A SOURCE OF HIGH PRESSURE AIR DURING OPERATION OF THE MOLD DEVICE; AND CHECK VALVE MEANS DISPOSED IN THE PATH OF SAID CONDUIT PROXIMATE TO THE OUTLET THEREOF.
References Cited (Backward Citations)
US2883704A
Cited
US2807564A
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US2900663A
Cited
US3102304A
Cited
US3145423A
Cited
US3151374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |