Patent US3408337A successfully refreshed from Google Patents.
US3408337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removal of cross-linking agent from a thermoset-thermoplastic
Assignee: Dow Chemical Co
•
Filing: 1964-02-05
•
Granted: 1968-10-29
•
Expires: 1984-02-05
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:30
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/24; B; B29; B29C; B29C48/00; B29C48/25; B29C48/92; C08F; C08F8/00; C08F8/50; B29C2948/00; B29C2948/92; B29C2948/92504; B29C2948/92514; B29C2948/92704; B29C48/022; B29C48/78; B29C48/80; B29C48/802; C08F2800/00; C08F2800/20; C08F2810/00; C08F2810/10; C08F2810/20; C08J2325/00; C08J2325/02; C08J2325/04; C08J2325/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |