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Patent US3518677A successfully refreshed from Google Patents.
US3518677A
Expired / Lapsed
US
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Electric marine cable
Assignee: Shawcor Ltd
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Filing: 1968-09-16
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Granted: 1970-06-30
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Expires: 1988-09-16
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Florian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:26
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/04; H01B7/045; G; G01; G01V; G01V1/00; G01V1/16; G01V1/20; G01V1/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3434104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |