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US687389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covering for subterranean cables.
Assignee: Individual
•
Filing: 1901-06-20
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Granted: 1901-11-26
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Expires: 1921-06-20
Abstract
No abstract record available.
Inventors
- 👤 Otto Wilhelmi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:45
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/26; Y; Y10; Y10S; Y10S116/00; Y10S116/14
Claims Analysis
Total Claims: 0
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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) | 1904-11-25 | 1905-05-27 | 1905-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-11-25 | 1909-05-27 | 1909-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-11-25 | 1913-05-27 | 1913-11-26 | $7700.00 | Window Closed / Lapsed |