Patent US2552181A successfully refreshed from Google Patents.
Patent US3516841A successfully refreshed from Google Patents.
US3516841A
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Separating and reclaiming of components from metallic-plastic laminate structures
Assignee: Dow Chemical Co
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Filing: 1967-02-20
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Granted: 1970-06-23
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Gerrit Haveman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:53
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/06; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C01; C01F; C01F7/00; C01F7/02; C01F7/42; C01F7/428; D; D01; D01D; D01D5/00; D01D5/42; D01D5/426; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
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) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |