US3409942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platen press with simultaneous-closure means
Assignee: G Siempelkamp GmbH and Co KG
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Filing: 1966-10-04
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Granted: 1968-11-12
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Expires: 1986-10-04
Abstract
No abstract record available.
Inventors
- 👤 Siempelkamp Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:53
CPC Classifications
B; B30; B30B; B30B7/00; B30B7/02; B41; B41F; B41F1/00; B41F1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN COMBINATION WITH A MULTIPLATEN PRESS HAVING A HEAD PLATE AND A BED PLATE, MEANS FOR RELATIVELY DISPLACING SAID PLATES TOWARD AND AWAY FROM ONE ANOTHER, AND A MULTIPLICITY OF VERTICALLY STACKED PLATENS DISPOSED BETWEEN SAID PLATES FOR SIMULTANEOUS COMPACTION OF INDIVIDUAL LAYERS OF COMPRESSIBLE MATERIAL POSITIONABLE BETWEEN SAID PLATENS: AT LEAST TWO SIMULTANEOUS-CLOSURE DEVICES CONNECTED WITH SAID PLATENS FOR DISPLACING SAME SYNCHRONOUSLY WITH THE RELATIVE MOVEMENT OF SAID PLATES, SAID DEVICES EACH COMPRISING
Claim 2
Dependent Claim
74 words
IN COMBINATION WITH A MULTIPLATEN PRESS HAVING A HEAD PLATE AND A BED PLATE, MEANS FOR RELATIVELY DISPLACING SAID PLATES TOWARD AND AWAY FROM ONE ANOTHER, AND A MULTIPLICITY OF VERTICALLY STACKED PLATENS DISPOSED BETWEEN SAID PLATES FOR SIMULTANEOUS COMPACTION OF INDIVIDUAL LAYERS OF COMPRESSIBLE MATERIAL POSITIONABLE BETWEEN SAID PLATENS: AT LEAST TWO SIMULTANEOUS-CLOSURE DEVICES CONNECTED WITH SAID PLATENS FOR DISPLACING SAME SYNCHRONOUSLY WITH THE RELATIVE MOVEMENT OF SAID PLATES, SAID DEVICES EACH COMPRISING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |