US3394214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing the tensile strength of a crosslinked ethylene polymer by compression
Assignee: WR Grace and Co
•
Filing: 1964-08-10
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Granted: 1968-07-23
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 Calvin James Benning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:00
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; C08J2323/00; Y; Y10; Y10S; Y10S264/00; Y10S264/18; Y10S264/64; Y10S521/00; Y10S521/918; Y10T; Y10T428/00; Y10T428/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1045234A
Cited
US2744291A
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US2813053A
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US3098831A
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US3098832A
Cited
US3082483A
Cited
US3063953A
Cited
US3300558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |