US3733216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for impregnating stranded cable with waterproofing compound
Assignee: AT&T Inc
•
Filing: 1971-04-19
•
Granted: 1973-05-15
•
Expires: 1991-04-19
Abstract
Abstract WATERPROOFING COMPOUND AT AMBIENT OR SUBSTANTIALLY AMBIENT TEMPERATURE, IN THE PREFERRED EMBODIMENT, IS CONTINUOUSLY FORCED UNDER PRESSURE TO FLOW THROUGH STAGED CONDUCT SURROUNDING STRANDED CABLE. COMPOUND FILLS INTERSTITIAL SPACES BETWEEN ADJACENT CONDUCTORS IN CABLE AND SIMULTANEOUSLY EXERTS VISCOUS DRAG FORCE ALONG THE SURFACE OF THE CABLE TO PROPEL, OR OTHERWISE CONTROL THE MOVEMENT OF, THE CABLE. WIPING DIE SUBSEQUENTLY REMOVES EXCESS COMPOUND FROM SURFACE OF CABLE.
Inventors
- 👤 I Goldman
- 👤 C Heard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/32; H01B13/322; H01B13/323; F; F16; F16N; F16N2210/00; F16N2210/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |