US3402086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-melt extrusion coating process
Assignee: Dow Chemical Co
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Filing: 1964-06-05
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Granted: 1968-09-17
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 William F Smith
- 👤 Donald J Endsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:55
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/121; B; B32; B32B; B32B27/00; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902
Claims Analysis
Total Claims: 0
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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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |