US911973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating high-voltage transmission-lines.
Assignee: Locke Insulator Manufacturing Co
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Filing: 1908-08-22
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Granted: 1909-02-09
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Expires: 1928-08-22
Abstract
No abstract record available.
Inventors
- 👤 Walter T Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:01
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/02; H01T1/04
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) | 1912-02-09 | 1912-08-10 | 1913-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-02-09 | 1916-08-10 | 1917-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-02-09 | 1920-08-10 | 1921-02-09 | $7700.00 | Window Closed / Lapsed |