Patent US1507187A successfully refreshed from Google Patents.
Patent US3684613A successfully refreshed from Google Patents.
US3684613A
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Procedure for temporarily attaching a pressure plate to a heater plate
Assignee: Casco AB
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Filing: 1970-02-05
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Granted: 1972-08-15
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Expires: 1990-02-05
Abstract
Abstract A CAUL OR PRESSURE PLATE IS TEMPORARILY ATTACHED TO THE PRESSURE TRANSMITTING SURFACE OF A HEATER PLATE OR PLATEN OF A HOT PRESS BY INTRODUCING A SUBSTANCE BETWEEN THE HEATER PLATE AND THE PRESSURE PLATE WHICH, UNDER THE OPERATIONAL CONDITIONS OF THE PRESS, IS LIQUID OR FLOWABLE AND FORMS AN ADHESIVE LAYER WHICH EXERTS ADHESION AND COHESION FORCES WHICH CORRESPOND AT LEAST TO THE WEIGHT OF THE PRESSURE PLATE.
Inventors
- 👤 Hans Frohning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:39
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/02; B30B15/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |