US3489600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxymethylene polymer-microcrystalline wax article
Assignee: Celanese Corp
•
Filing: 1966-02-08
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Granted: 1970-01-13
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Expires: 1986-02-08
Abstract
No abstract record available.
Inventors
- 👤 John S Millar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:29
CPC Classifications
C; C08; C08L; C08L59/00; C08L59/02; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C10; C10G; C10G73/00; C10G73/40; C08J2359/00; C08J2359/02; C08J2491/00; C08L91/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2456387A
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US2599130A
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US2753275A
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US2773812A
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US2983624A
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US2983664A
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US3132040A
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US3199701A
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US3211701A
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US3231529A
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US3227668A
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US3210210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |