US3516260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating cable-laying plow
Assignee: AT&T Inc
•
Filing: 1967-09-11
•
Granted: 1970-06-23
•
Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 William W Wood Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:39
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/10; E02F5/102; E02F5/103; B; B60; B60G; B60G17/00; B60G17/005; B60G21/00; B60G21/02; B60G21/06; B60G21/067; B60G9/00; B60G9/02; H; H02; H02G; H02G1/00; H02G1/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2684254A
Cited
US2905253A
Cited
US3390533A
Cited
US3425232A
Cited
US3328019A
Cited
US3431741A
Cited
US3417571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |