US3825462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating chipboard with a laminated sheet or foil
Assignee: Mende Wilhelm and Co
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Filing: 1972-12-22
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Granted: 1974-07-23
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Expires: 1992-12-22
Abstract
Abstract A thermoplastic sheet is bonded to a thin chipboard by positioning the sheet and board on a continuously moving belt, heating the sheet and board to render the sheet plastic and pressing the sheet into intimate contact with the surface of the chipboard to bond the sheet thereto.
Inventors
- 👤 H Ettel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:09
CPC Classifications
B; B32; B32B; B32B21/00; B32B21/04; B32B21/08; B27; B27N; B27N7/00; B27N7/005; B32B21/02; B32B27/00; B32B27/06; B32B27/10; B32B27/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1039; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1741
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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |