US3379802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed olefin copolymer blends
Assignee: Dow Chemical Co
•
Filing: 1964-11-04
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Granted: 1968-04-23
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Charles F Raley
- 👤 Richard E Skochdopole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:07
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08J9/04; C08J9/12; C08J9/14; C08J2323/00; C08J2323/02; C08J2423/00; Y; Y10; Y10S; Y10S264/00; Y10S264/05
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |