US2582510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene stabilized with sulfur plus a vulcanization accelerator
Assignee: AT&T Inc
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Filing: 1947-12-05
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Granted: 1952-01-15
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Expires: 1967-12-05
Abstract
No abstract record available.
Inventors
- 👤 Bartholomew A Stiratelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:15
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/06; C08K5/00; C08K5/36; C08K5/39; C08K5/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
33 words
A COMPOSITION OF IMPROVED STABILITY TOWARD AGING COMPRISING POLYETHYLENE, BETWEEN .01 PER CENT AND 6 PER CENT BY WEIGHT OF SULFUR AND BETWEEN .01 PER CENT AND 2 PER CENT BY WEIGHT OF
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |