Patent US3549589A successfully refreshed from Google Patents.
US3549589A
Expired / Lapsed
US
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Color stabilized interpolymers of ethylene and vinyl acetate
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1968-10-25
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Granted: 1970-12-22
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Expires: 1988-10-25
Abstract
No abstract record available.
Inventors
- 👤 Edmund R Meincke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/21; C08K5/36; C08K5/39; C08K5/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3024218A
Cited
US3190763A
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US3184428A
Cited
US3211692A
Cited
US3483171A
Cited
US3394104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |