Patent US3017379A successfully refreshed from Google Patents.
US3017379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-linking of poly
Assignee: Hercules Powder Co
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Filing: 1960-06-30
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Granted: 1962-01-16
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 George B Feild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:09
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE METHOD OF CURING POLY(VINYL CHLORIDE) WHICH COMPRISES HEATING POLY(VINYL CHLORIDE) IN CONTACT WITH 1/2 TO 6 PERCENT OF A PEROXIDE OF THE FORMULA
Claim 2
Independent Claim
24 words
THE METHOD OF CURING POLY(VINYL CHLORIDE) WHICH COMPRISES HEATING POLY(VINYL CHLORIDE) IN CONTACT WITH 1/2 TO 6 PERCENT OF A PEROXIDE OF THE FORMULA
References Cited (Backward Citations)
US2958672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |