US3425980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peroxide cured polyethylene compositions containing coated clays
Assignee: Union Carbide Corp
•
Filing: 1962-12-28
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Granted: 1969-02-04
•
Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Bernard O Baum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:59
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C08K9/00; C08K9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2692869A
Cited
US2857355A
Cited
US2888424A
Cited
US3014885A
Cited
US3160598A
Cited
US3206419A
Cited
US3239481A
Cited
US3227657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |