US3565725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making pressed boards from particulate material
Assignee: Individual
•
Filing: 1968-01-31
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Granted: 1971-02-23
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Expires: 1988-01-31
Abstract
Abstract AN INSTALLATION FOR THE PRODUCTION OF PRESS BOARD IN WHICH A FIBER LAYER IS DEPOSITED UPON A CONTINUOUS OPERABLE CONVEYOR SURFACE AND TRANSFERRED WITH SEPARATION INTO RESPECTIVE LAYER PORTIONS, TO A SECOND CONVEYOR WHICH IS ACCELERATED UPON COMPLETION OF THE TRANSFER OF EACH PORTION AND, IN TURN, FEEDS THE LAYER PORTION TO AN INTERMEDIATE STACKING STATION IN WHICH THE LAYERS ARE STACKED IN A NUMBER OF TIERS EQUAL TO THE NUMBERS OF LEVELS OF AN ADJOINING PRESS, THE ENTIRE GROUP OF STACK LAYERS BEING NTRODUCED SIMULTANEOUSLY INTO THE PRESS AT INTERVALS. THE CHARGING SYSTEM OPERATES CONTINOUSLY.
Inventors
- 👤 Eugen Siempelkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:09
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/20; B27N3/22
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |