US3417038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic foam production
Assignee: Air Products and Chemicals Inc
•
Filing: 1965-04-06
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Granted: 1968-12-17
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Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Soltys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:29
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08J2457/00; Y; Y10; Y10S; Y10S264/00; Y10S264/05; Y10S264/13; Y10S521/00; Y10S521/911
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |