US3092609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizer for styrene-acrylonitrile copolymers
Assignee: Pechiney SA
•
Filing: 1959-08-27
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Granted: 1963-06-04
•
Expires: 1979-08-27
Abstract
No abstract record available.
Inventors
- 👤 Kostclitz Oscar
- 👤 Wetroff Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:47
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F212/10; C08K; C08K5/00; C08K5/16; C08K5/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1476934A
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US2287188A
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US2334517A
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US2681328A
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US2732366A
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US2864775A
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US2878232A
Cited
US2938882A
Cited
US2965685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |