US3214422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosslinking polyethylene
Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1959-08-28
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Granted: 1965-10-26
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Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 Orville L Mageli
- 👤 James B Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
THE PROCESS OF CROSSLINKING POLYETHYLENE WHICH COMPRISES INCORPORATING IN POLYETHYLENE A CROSSLINKING AMOUNT OF AN ACETYLENIC HIGH MOLECULAR WEIGHT DIPEROXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXYNES AND HAVING THE FORMULA
Claim 2
Dependent Claim
32 words
THE PROCESS OF CROSSLINKING POLYETHYLENE WHICH COMPRISES INCORPORATING IN POLYETHYLENE A CROSSLINKING AMOUNT OF AN ACETYLENIC HIGH MOLECULAR WEIGHT DIPEROXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXYNES AND HAVING THE FORMULA
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |