US3496124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High impact foam blend of two different polyethylenes
Assignee: Phillips Petroleum Co
•
Filing: 1967-04-13
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Granted: 1970-02-17
•
Expires: 1987-04-13
Abstract
No abstract record available.
Inventors
- 👤 Donald G Needham
- 👤 Roy L Bodkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:55
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0061; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; C08J2423/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3098831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |