US3489601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefins coated with chlorine containing polymers
Assignee: Phillips Petroleum Co
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Filing: 1967-10-25
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Granted: 1970-01-13
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Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Paul R Stapp
- 👤 Dixie E Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:30
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/095; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08K; C08K5/00; C08K5/04; C08K5/15; C08J2323/00; C08J2323/02
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) | 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 |