US2770950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine cable installation
Assignee: Individual
•
Filing: 1953-06-05
•
Granted: 1956-11-20
•
Expires: 1973-06-05
Abstract
No abstract record available.
Inventors
- 👤 Samuel V Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:11
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/06; H02G1/10; F; F16; F16L; F16L1/00; F16L1/12; F16L1/16; F16L1/165; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1418; Y10T24/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375464A
Cited
US612485A
Cited
US2731800A
Cited
US650134A
Cited
US1363115A
Cited
US1887460A
Cited
US1873563A
Cited
US2100231A
Cited
US2391059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |