US2501062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable layer
Assignee: Keppel LeTourneau USA Inc
•
Filing: 1944-12-16
•
Granted: 1950-03-21
•
Expires: 1964-12-16
Abstract
No abstract record available.
Inventors
- 👤 Tourneau Robert G Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:24
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/06; Y; Y10; Y10S; Y10S414/00; Y10S414/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US713692A
Cited
US1054313A
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GB191414379A
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US1299550A
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US1513937A
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US1914521A
Cited
US2070934A
Cited
US2155044A
Cited
US2184912A
Cited
US2345929A
Cited
GB559901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |