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US3518224A
Expired / Lapsed
US
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Stabilization of halogenated vinyl resins
Assignee: Deutsche Advance Produktion GmbH
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Filing: 1968-06-26
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Granted: 1970-06-30
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Expires: 1988-06-26
Abstract
No abstract record available.
Inventors
- 👤 Heinz Eggensperger
- 👤 Volker Franzen
- 👤 Hans Stephan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:15
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372; C08K5/3725
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2476422A
Cited
US2592926A
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US2666752A
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US3236805A
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US3249584A
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US3280058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |