US3456038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of ethylene-propylene rubber and atactic polypropylene
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1967-07-13
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Granted: 1969-07-15
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Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Neil F Newman
- 👤 Rudolph S Wilsher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:15
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/02; C08K; C08K3/00; C08K3/02; C08K3/06; C08K3/18; C08K3/20; C08K3/22; C08K3/34; C08K3/36; C08K5/00; C08K5/04; C08K5/09; C08K5/14; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/16; C08L2207/00; C08L2207/10; C08L2207/14; C08L2312/00; C08L2666/00; C08L2666/02; C08L2666/04
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |