US2800524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cable
Assignee: Individual
•
Filing: 1953-07-08
•
Granted: 1957-07-23
•
Expires: 1973-07-08
Abstract
No abstract record available.
Inventors
- 👤 Glenwood M Van Lear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:04
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/29
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A HEAT-RESISTANT ELECTIRC CABLE COMPRISING A PLURALITY OF CONDUCTORS, EACH CONDUCTOR COMPRISING A PLURALITY OF STRANDS, AA DIELECTRIC WALL ABOUT EACH CONDUCTOR, SAID WALL COMPRISING A MIXTURE OF SILICON MATERIALS AND FIBERS, CHOSEN FROM THE CLASS OF ASBESTOS FIBERS AND GLASS FIBERS, AN OUTER COVERING ABOUT SAID CONDUCTORS, AND A PASTY FILLER FILLING THE SPACE INSIDE SAID COVERING NOT OCCUPIED BY SAID CONDUCTORS AND DILECTRIC WALLS, SAID PASTY FILLER COMPRISING AT LEAT ABOUT FIFTY PERCENT OF ASBESTOS ROVING, ABOUT THRITY PERCENT OF ASBESTINE AND SILICA FLOUR, AND THE REMAINDER A MINIMUM OF A BINDER FOR SAID ASBESTINE AND SILICA FLOUR TO MAKE A PASTE.
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) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |