US3479303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of molded foam bodies of polyesters
Assignee: Huels AG
•
Filing: 1965-07-02
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Granted: 1969-11-18
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Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
- 👤 Helmut Wieschollek
- 👤 Walter Gumlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:55
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/08; C08F; C08F283/00; C08F283/01; C08L; C08L67/00; C08L67/06; C08J2367/00; C08J2367/06
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |