US3576692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant for the production of integrated laminates
Assignee: G Siempelkamp GmbH and Co KG
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Filing: 1968-06-17
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Granted: 1971-04-27
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Expires: 1988-06-17
Abstract
Abstract A LOOSELY COHERENT FIBER MAT IS STACKED WITH A PLURALITY OF LAMINAE AND SUBSEQUENTLY PRESSED IN A HEATED PRESS. THIS PRESS IS ONLY HEATED DURING THE PRESSING OPERATION AND IS COOLED BEFOREHAND AND AFTERWARDS.
Inventors
- 👤 Gerhard Hutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:29
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/20; B27N3/203; B27N3/10
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |